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20202233131020 = 2235432182100533
BaseRepresentation
bin1001001011111101100101…
…11011011111000000001100
32122112022111100210000000110
410211332302323133000030
510121443133140143040
6110544440000000020
74153364112203643
oct445766273370014
978468440700013
1020202233131020
11648979aa27666
1223233b3000010
13b370a71646c5
144dbb16b6235a
1525078e3bd980
hex125fb2edf00c

20202233131020 has 72 divisors (see below), whose sum is σ = 57912340224816. Its totient is φ = 5261976972672.

The previous prime is 20202233130997. The next prime is 20202233131033. The reversal of 20202233131020 is 2013133220202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90939327 + ... + 91161206.

It is an arithmetic number, because the mean of its divisors is an integer number (804338058678).

Almost surely, 220202233131020 is an apocalyptic number.

20202233131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202233131020 is an abundant number, since it is smaller than the sum of its proper divisors (37710107093796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202233131020 is a wasteful number, since it uses less digits than its factorization.

20202233131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182100631 (or 182100586 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20202233131020 its reverse (2013133220202), we get a palindrome (22215366351222).

The spelling of 20202233131020 in words is "twenty trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 1849 2580 3698 5547 7396 9245 11094 18490 22188 27735 36980 55470 110940 182100533 364201066 546301599 728402132 910502665 1092603198 1821005330 2185206396 2731507995 3642010660 5463015990 7830322919 10926031980 15660645838 23490968757 31321291676 39151614595 46981937514 78303229190 93963875028 117454843785 156606458380 234909687570 336703885517 469819375140 673407771034 1010111656551 1346815542068 1683519427585 2020223313102 3367038855170 4040446626204 5050558282755 6734077710340 10101116565510 20202233131020