20,172 in words
20,172
twenty thousand one hundred seventy-two
20,172 is written twenty thousand one hundred seventy-two.
Ways to write it
- As an ordinal
- twenty thousand one hundred seventy-second
- Expanded form
- 20,000 + 100 + 70 + 2
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 1 | 100 |
| tens | 7 | 70 |
| ones | 2 | 2 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1,681, 3,362, 5,043, 6,724, 10,086 and 20,172 (18 factors)
- First 10 multiples
- 20,172, 40,344, 60,516, 80,688, 100,860, 121,032, 141,204, 161,376, 181,548, 201,720
- Square
- 20,172 × 20,172 = 406,909,584
- Square root
- ≈ 142.03
- Sum of the digits
- 2 + 0 + 1 + 7 + 2 = 12
- Rounded to the nearest 10
- 20,170
- Rounded to the nearest 100
- 20,200
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,171
- Number after
- 20,173
- In binary
100111011001100
Quick check
What number comes just after 20,172?
Show the answer
20,173
Is 20,172 even or odd?
Show the answer
Even
What is 20,172 + 10?
Show the answer
20,182
Practice 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 20,172 in words?
20,172 is written "twenty thousand one hundred seventy-two".
Is 20,172 a prime number?
No. 20,172 is a composite number, because it has more than two factors.
What are the factors of 20,172?
The factors of 20,172 are 1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1,681, 3,362, 5,043, 6,724, 10,086 and 20,172.