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

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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