20,724 in words
20,724
twenty thousand seven hundred and twenty-four
20,724 is written twenty thousand seven hundred and twenty-four.
Ways to write it
- As an ordinal
- twenty thousand seven hundred and twenty-fourth
- Expanded form
- 20,000 + 700 + 20 + 4
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 7 | 700 |
| tens | 2 | 20 |
| ones | 4 | 4 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1,727, 1,884, 3,454, 5,181, 6,908, 10,362 and 20,724 (24 factors)
- First 10 multiples
- 20,724, 41,448, 62,172, 82,896, 103,620, 124,344, 145,068, 165,792, 186,516, 207,240
- Square
- 20,724 × 20,724 = 429,484,176
- Square root
- ≈ 143.96
- Sum of the digits
- 2 + 0 + 7 + 2 + 4 = 15
- Rounded to the nearest 10
- 20,720
- Rounded to the nearest 100
- 20,700
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,723
- Number after
- 20,725
- In binary
101000011110100
Quick check
What number comes just after 20,724?
Show the answer
20,725
Is 20,724 even or odd?
Show the answer
Even
What is 20,724 + 10?
Show the answer
20,734
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 20,724 in words?
20,724 is written "twenty thousand seven hundred and twenty-four".
Is 20,724 a prime number?
No. 20,724 is a composite number, because it has more than two factors.
What are the factors of 20,724?
The factors of 20,724 are 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1,727, 1,884, 3,454, 5,181, 6,908, 10,362 and 20,724.