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20329368 = 2334319699
BaseRepresentation
bin100110110001…
…1001110011000
31102020211122120
41031203032120
520201014433
62003421240
7334540203
oct115431630
942224576
1020329368
1110525834
126984820
13429a317
1429b293a
151bb87b3
hex1363398

20329368 has 32 divisors (see below), whose sum is σ = 52008000. Its totient is φ = 6618528.

The previous prime is 20329363. The next prime is 20329417. The reversal of 20329368 is 86392302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20329363) 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, 8818 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (1625250).

Almost surely, 220329368 is an apocalyptic number.

It is an amenable number.

20329368 is an abundant number, since it is smaller than the sum of its proper divisors (31678632).

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

20329368 is a wasteful number, since it uses less digits than its factorization.

20329368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19751 (or 19747 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20329368 is about 4508.8100425722. The cubic root of 20329368 is about 272.9237264948.

The spelling of 20329368 in words is "twenty million, three hundred twenty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 19699 39398 59097 78796 118194 157592 236388 472776 847057 1694114 2541171 3388228 5082342 6776456 10164684 20329368