20,642 in words
20,642
twenty thousand six hundred and forty-two
20,642 is written twenty thousand six hundred and forty-two.
Ways to write it
- As an ordinal
- twenty thousand six hundred and forty-second
- Expanded form
- 20,000 + 600 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 6 | 600 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 10,321 and 20,642 (4 factors)
- First 10 multiples
- 20,642, 41,284, 61,926, 82,568, 103,210, 123,852, 144,494, 165,136, 185,778, 206,420
- Square
- 20,642 × 20,642 = 426,092,164
- Square root
- ≈ 143.67
- Sum of the digits
- 2 + 0 + 6 + 4 + 2 = 14
- Rounded to the nearest 10
- 20,640
- Rounded to the nearest 100
- 20,600
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,641
- Number after
- 20,643
- In binary
101000010100010
Quick check
What number comes just after 20,642?
Show the answer
20,643
Is 20,642 even or odd?
Show the answer
Even
What is 20,642 + 10?
Show the answer
20,652
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 20,642 in words?
20,642 is written "twenty thousand six hundred and forty-two".
Is 20,642 a prime number?
No. 20,642 is a composite number, because it has more than two factors.
What are the factors of 20,642?
The factors of 20,642 are 1, 2, 10,321 and 20,642.