20,042 in words
20,042
twenty thousand forty-two
20,042 is written twenty thousand forty-two.
Ways to write it
- As an ordinal
- twenty thousand forty-second
- Expanded form
- 20,000 + 40 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 0 | 0 |
| tens | 4 | 40 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 11, 22, 911, 1,822, 10,021 and 20,042 (8 factors)
- First 10 multiples
- 20,042, 40,084, 60,126, 80,168, 100,210, 120,252, 140,294, 160,336, 180,378, 200,420
- Square
- 20,042 × 20,042 = 401,681,764
- Square root
- ≈ 141.57
- Sum of the digits
- 2 + 0 + 0 + 4 + 2 = 8
- Rounded to the nearest 10
- 20,040
- Rounded to the nearest 100
- 20,000
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,041
- Number after
- 20,043
- In binary
100111001001010
Quick check
What number comes just after 20,042?
Show the answer
20,043
Is 20,042 even or odd?
Show the answer
Even
What is 20,042 + 10?
Show the answer
20,052
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 20,042 in words?
20,042 is written "twenty thousand forty-two".
Is 20,042 a prime number?
No. 20,042 is a composite number, because it has more than two factors.
What are the factors of 20,042?
The factors of 20,042 are 1, 2, 11, 22, 911, 1,822, 10,021 and 20,042.