The Natural Number 20

List of Numbers
    Previous: 19
    Next: 21

Contact Us

Properties of the Number 20

  • Because 20 is divisible by 2 ...
    • 20 is an even number
    • 20 has parity 0
    • 20 is not an odd number
  • Because 20 can be factored as 2 x 10 ...
    • 20 is a composite number
    • 20 is not a prime number

Alternative Representations of the Number 20

  • Base 2 (binary): 10100
  • Base 8 (octal): 24
  • Base 16 (hexadecimal): 14
  • Roman numeral: XX
  • Words: twenty

Divisors of the Number 20

  • 20 has 6 positive divisors: 1, 2, 4, 5, 10, 20
    • The sum of the positive divisors is 42
  • 20 has 5 proper divisors: 1, 2, 4, 5, 10
    • The sum of the proper divisors is 22
  • 20 is not a deficient number
  • 20 is not a perfect number
  • 20 is an abundant number since the sum of the proper divisors is greater than 20

More Properties of the Number 20

  • 20 is not a square number
  • 20 is not a cube number
  • 20 is not a palindromic number
  • 20 is not a Fibonacci number
  • 20 is not a Lucas number

12:36 am, Monday, May 1, 2017 (UTC; +0000)
Copyright © 2017 D. A. Resler.  All rights reserved.