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20433033368 = 2311792939159
BaseRepresentation
bin10011000001111001…
…110101100010011000
31221202000100122100122
4103001321311202120
5313321324031433
613215314452412
71322230626566
oct230171654230
957660318318
1020433033368
118735a07440
123b62b94108
131c08313ab7
14dbba08a36
157e8ca7198
hex4c1e75898

20433033368 has 32 divisors (see below), whose sum is σ = 42323904000. Its totient is φ = 9170172960.

The previous prime is 20433033367. The next prime is 20433033407. The reversal of 20433033368 is 86333033402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433033367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462628 + ... + 1476531.

It is an arithmetic number, because the mean of its divisors is an integer number (1322622000).

Almost surely, 220433033368 is an apocalyptic number.

It is an amenable number.

20433033368 is an abundant number, since it is smaller than the sum of its proper divisors (21890870632).

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

20433033368 is a wasteful number, since it uses less digits than its factorization.

20433033368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939255 (or 2939251 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 20433033368 in words is "twenty billion, four hundred thirty-three million, thirty-three thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 3476 6952 2939159 5878318 11756636 23513272 32330749 64661498 129322996 232193561 258645992 464387122 928774244 1857548488 2554129171 5108258342 10216516684 20433033368