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20555022305232 = 243435344930189
BaseRepresentation
bin1001010110001110101101…
…10011011000011111010000
32200210001002211211221010000
410223013112303120133100
510143233141202231412
6111414502532210000
74221023420541312
oct453072663303720
980701084757100
1020555022305232
11660537724a868
12237b84b469900
13b6143a83c86c
14510c22bdb7b2
15259a3b21e4dc
hex12b1d6cd87d0

20555022305232 has 100 divisors (see below), whose sum is σ = 59660732512260. Its totient is φ = 6832264108032.

The previous prime is 20555022305203. The next prime is 20555022305281. The reversal of 20555022305232 is 23250322055502.

20555022305232 is a `hidden beast` number, since 2 + 0 + 5 + 550 + 2 + 23 + 0 + 52 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13789072196496 + 6765950108736 = 3713364^2 + 2601144^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22007607 + ... + 22922582.

Almost surely, 220555022305232 is an apocalyptic number.

It is an amenable number.

20555022305232 is an abundant number, since it is smaller than the sum of its proper divisors (39105710207028).

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

20555022305232 is a wasteful number, since it uses less digits than its factorization.

20555022305232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44930562 (or 44930547 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 20555022305232 in words is "twenty trillion, five hundred fifty-five billion, twenty-two million, three hundred five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 353 432 648 706 1059 1296 1412 2118 2824 3177 4236 5648 6354 8472 9531 12708 16944 19062 25416 28593 38124 50832 57186 76248 114372 152496 228744 457488 44930189 89860378 134790567 179720756 269581134 359441512 404371701 539162268 718883024 808743402 1078324536 1213115103 1617486804 2156649072 2426230206 3234973608 3639345309 4852460412 6469947216 7278690618 9704920824 14557381236 15860356717 19409841648 29114762472 31720713434 47581070151 58229524944 63441426868 95162140302 126882853736 142743210453 190324280604 253765707472 285486420906 380648561208 428229631359 570972841812 761297122416 856459262718 1141945683624 1284688894077 1712918525436 2283891367248 2569377788154 3425837050872 5138755576308 6851674101744 10277511152616 20555022305232