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20202321120 = 2535103408623
BaseRepresentation
bin10010110100001001…
…101111010011100000
31221010221020020122120
4102310021233103200
5312333243233440
613140353504240
71313426616252
oct226411572340
957127206576
1020202321120
118627757963
123ab9872080
131b9c595587
14d9910dcd2
157d38d2dd0
hex4b426f4e0

20202321120 has 96 divisors (see below), whose sum is σ = 64255306752. Its totient is φ = 5334968832.

The previous prime is 20202321109. The next prime is 20202321133. The reversal of 20202321120 is 2112320202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202321120.

It is a congruent number.

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, 154872 + ... + 253751.

It is an arithmetic number, because the mean of its divisors is an integer number (669326112).

Almost surely, 220202321120 is an apocalyptic number.

20202321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202321120 is an abundant number, since it is smaller than the sum of its proper divisors (44052985632).

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

20202321120 is a wasteful number, since it uses less digits than its factorization.

20202321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408744 (or 408736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20202321120 its reverse (2112320202), we get a palindrome (22314641322).

The spelling of 20202321120 in words is "twenty billion, two hundred two million, three hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 103 120 160 206 240 309 412 480 515 618 824 1030 1236 1545 1648 2060 2472 3090 3296 4120 4944 6180 8240 9888 12360 16480 24720 49440 408623 817246 1225869 1634492 2043115 2451738 3268984 4086230 4903476 6129345 6537968 8172460 9806952 12258690 13075936 16344920 19613904 24517380 32689840 39227808 42088169 49034760 65379680 84176338 98069520 126264507 168352676 196139040 210440845 252529014 336705352 420881690 505058028 631322535 673410704 841763380 1010116056 1262645070 1346821408 1683526760 2020232112 2525290140 3367053520 4040464224 5050580280 6734107040 10101160560 20202321120