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20005893792 = 2532436171373
BaseRepresentation
bin10010101000011100…
…011011011010100000
31220122020121201000100
4102220130123122200
5311433002100132
613105055422400
71305523201653
oct225034333240
956566551010
1020005893792
118536895125
123a63b24a00
131b6a98c4a1
14d7adbb89a
157c153237c
hex4a871b6a0

20005893792 has 288 divisors, whose sum is σ = 60163399296. Its totient is φ = 6299596800.

The previous prime is 20005893781. The next prime is 20005893823. The reversal of 20005893792 is 29739850002.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53634918 + ... + 53635290.

It is an arithmetic number, because the mean of its divisors is an integer number (208900692).

Almost surely, 220005893792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20005893792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30081699648).

20005893792 is an abundant number, since it is smaller than the sum of its proper divisors (40157505504).

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

20005893792 is a wasteful number, since it uses less digits than its factorization.

20005893792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 20005893792 in words is "twenty billion, five million, eight hundred ninety-three thousand, seven hundred ninety-two".