20,972 in words
20,972
twenty thousand nine hundred seventy-two
20,972 is written twenty thousand nine hundred seventy-two.
Ways to write it
- As an ordinal
- twenty thousand nine hundred seventy-second
- Expanded form
- 20,000 + 900 + 70 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 7 | 70 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1,498, 2,996, 5,243, 10,486 and 20,972 (18 factors)
- First 10 multiples
- 20,972, 41,944, 62,916, 83,888, 104,860, 125,832, 146,804, 167,776, 188,748, 209,720
- Square
- 20,972 × 20,972 = 439,824,784
- Square root
- ≈ 144.82
- Sum of the digits
- 2 + 0 + 9 + 7 + 2 = 20
- Rounded to the nearest 10
- 20,970
- Rounded to the nearest 100
- 21,000
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,971
- Number after
- 20,973
- In binary
101000111101100
Quick check
What number comes just after 20,972?
Show the answer
20,973
Is 20,972 even or odd?
Show the answer
Even
What is 20,972 + 10?
Show the answer
20,982
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 20,972 in words?
20,972 is written "twenty thousand nine hundred seventy-two".
Is 20,972 a prime number?
No. 20,972 is a composite number, because it has more than two factors.
What are the factors of 20,972?
The factors of 20,972 are 1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 1,498, 2,996, 5,243, 10,486 and 20,972.