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22464422020 = 22510116368227
BaseRepresentation
bin10100111010111110…
…111110000010000100
32010222120202212201101
4110322332332002010
5332001343001040
614153042305444
71423455302515
oct247276760204
963876685641
1022464422020
119588642837
12442b358284
13217012b211
141131714a0c
158b72ba09a
hex53afbe084

22464422020 has 48 divisors (see below), whose sum is σ = 47935355328. Its totient is φ = 8842089600.

The previous prime is 22464422011. The next prime is 22464422041. The reversal of 22464422020 is 2022446422.

It is a self number, because there is not a number n which added to its sum of digits gives 22464422020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295147 + ... + 363373.

It is an arithmetic number, because the mean of its divisors is an integer number (998653236).

Almost surely, 222464422020 is an apocalyptic number.

22464422020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22464422020 is an abundant number, since it is smaller than the sum of its proper divisors (25470933308).

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

22464422020 is a wasteful number, since it uses less digits than its factorization.

22464422020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68500 (or 68498 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22464422020 its reverse (2022446422), we get a palindrome (24486868442).

The spelling of 22464422020 in words is "twenty-two billion, four hundred sixty-four million, four hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 101 163 202 326 404 505 652 815 1010 1630 2020 3260 16463 32926 65852 68227 82315 136454 164630 272908 329260 341135 682270 1364540 6890927 11121001 13781854 22242002 27563708 34454635 44484004 55605005 68909270 111210010 137818540 222420020 1123221101 2246442202 4492884404 5616105505 11232211010 22464422020