20,520 in words
20,520
twenty thousand five hundred and twenty
20,520 is written twenty thousand five hundred and twenty.
Ways to write it
- As an ordinal
- twenty thousand five hundred and twentieth
- Expanded form
- 20,000 + 500 + 20
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 5 | 500 |
| tens | 2 | 20 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 64 factors: too many to list
- First 10 multiples
- 20,520, 41,040, 61,560, 82,080, 102,600, 123,120, 143,640, 164,160, 184,680, 205,200
- Square
- 20,520 × 20,520 = 421,070,400
- Square root
- ≈ 143.25
- Sum of the digits
- 2 + 0 + 5 + 2 + 0 = 9
- Rounded to the nearest 10
- 20,520
- Rounded to the nearest 100
- 20,500
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,519
- Number after
- 20,521
- In binary
101000000101000
Quick check
What number comes just after 20,520?
Show the answer
20,521
Is 20,520 even or odd?
Show the answer
Even
What is 20,520 + 10?
Show the answer
20,530
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 20,520 in words?
20,520 is written "twenty thousand five hundred and twenty".
Is 20,520 a prime number?
No. 20,520 is a composite number, because it has more than two factors.