20,980 in words
20,980
twenty thousand nine hundred and eighty
20,980 is written twenty thousand nine hundred and eighty.
Ways to write it
- As an ordinal
- twenty thousand nine hundred and eightieth
- Expanded form
- 20,000 + 900 + 80
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 9 | 900 |
| tens | 8 | 80 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 10, 20, 1,049, 2,098, 4,196, 5,245, 10,490 and 20,980 (12 factors)
- First 10 multiples
- 20,980, 41,960, 62,940, 83,920, 104,900, 125,880, 146,860, 167,840, 188,820, 209,800
- Square
- 20,980 × 20,980 = 440,160,400
- Square root
- ≈ 144.84
- Sum of the digits
- 2 + 0 + 9 + 8 + 0 = 19
- Rounded to the nearest 10
- 20,980
- Rounded to the nearest 100
- 21,000
- Rounded to the nearest 1000
- 21,000
- Number before
- 20,979
- Number after
- 20,981
- In binary
101000111110100
Quick check
What number comes just after 20,980?
Show the answer
20,981
Is 20,980 even or odd?
Show the answer
Even
What is 20,980 + 10?
Show the answer
20,990
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 20,980 in words?
20,980 is written "twenty thousand nine hundred and eighty".
Is 20,980 a prime number?
No. 20,980 is a composite number, because it has more than two factors.
What are the factors of 20,980?
The factors of 20,980 are 1, 2, 4, 5, 10, 20, 1,049, 2,098, 4,196, 5,245, 10,490 and 20,980.