# Divisors of the Positive Integer 20

1, 2, 4, 5, 10, 20## Sum of all the Divisors of 20, including itself

42## Sum of the Proper Divisors of 20

22## Properties of the number 20

The integer 20 is an**even**number.

The integer 20 is a

**Composite**number.

22 is

*greater than*20, so 20 is an

**abundant**number.

## The number 20 as a Roman Numeral

**XX**

## The number 20 in various Numeral Systems

Base |
Representation |
---|---|

2: | 10100 |

3: | 202 |

4: | 110 |

5: | 40 |

6: | 32 |

7: | 26 |

8: | 24 |

9: | 22 |

10: | 20 |

11: | 19 |

12: | 18 |

13: | 17 |

14: | 16 |

15: | 15 |

16: | 14 |

17: | 13 |

18: | 12 |

19: | 11 |

20: | 10 |

21: | K |

22: | K |

23: | K |

24: | K |

25: | K |

26: | K |

27: | K |

28: | K |

29: | K |

30: | K |

31: | K |

32: | K |

33: | K |

34: | K |

35: | K |

36: | K |