20,401 in words
20,401
twenty thousand four hundred and one
20,401 is written twenty thousand four hundred and one.
Ways to write it
- As an ordinal
- twenty thousand four hundred and first
- Expanded form
- 20,000 + 400 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 0 | 0 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 23, 887 and 20,401 (4 factors)
- First 10 multiples
- 20,401, 40,802, 61,203, 81,604, 102,005, 122,406, 142,807, 163,208, 183,609, 204,010
- Square
- 20,401 × 20,401 = 416,200,801
- Square root
- ≈ 142.83
- Sum of the digits
- 2 + 0 + 4 + 0 + 1 = 7
- Rounded to the nearest 10
- 20,400
- Rounded to the nearest 100
- 20,400
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,400
- Number after
- 20,402
- In binary
100111110110001
Quick check
What number comes just after 20,401?
Show the answer
20,402
Is 20,401 even or odd?
Show the answer
Odd
What is 20,401 + 10?
Show the answer
20,411
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 20,401 in words?
20,401 is written "twenty thousand four hundred and one".
Is 20,401 a prime number?
No. 20,401 is a composite number, because it has more than two factors.
What are the factors of 20,401?
The factors of 20,401 are 1, 23, 887 and 20,401.