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20203523032 = 23711291130963
BaseRepresentation
bin10010110100001110…
…010100101111011000
31221011000111022100211
4102310032110233120
5312334100214112
613140435340504
71313443053340
oct226416245730
957130438324
1020203523032
1186283a8980
123aba151734
131b9c8c6674
14d99343d20
157d3a6e0a7
hex4b4394bd8

20203523032 has 64 divisors (see below), whose sum is σ = 48857644800. Its totient is φ = 7600064640.

The previous prime is 20203523017. The next prime is 20203523069. The reversal of 20203523032 is 23032530202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20203522994 and 20203523012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547618 + ... + 583345.

It is an arithmetic number, because the mean of its divisors is an integer number (763400700).

Almost surely, 220203523032 is an apocalyptic number.

20203523032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20203523032 is an abundant number, since it is smaller than the sum of its proper divisors (28654121768).

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

20203523032 is a wasteful number, since it uses less digits than its factorization.

20203523032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131016 (or 1131012 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The spelling of 20203523032 in words is "twenty billion, two hundred three million, five hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 29 44 56 58 77 88 116 154 203 232 308 319 406 616 638 812 1276 1624 2233 2552 4466 8932 17864 1130963 2261926 4523852 7916741 9047704 12440593 15833482 24881186 31666964 32797927 49762372 63333928 65595854 87084151 99524744 131191708 174168302 229585489 262383416 348336604 360777197 459170978 696673208 721554394 918341956 1443108788 1836683912 2525440379 2886217576 5050880758 10101761516 20203523032