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20056902733824 = 21231117831031021
BaseRepresentation
bin1001000111101110111001…
…00100000001000000000000
32122000102101000222212221220
410203313130210001000000
510112103014044440244
6110354003001115040
74140030514206015
oct443673444010000
978012330885856
1020056902733824
1164330a2790190
1222bb1b4188a80
13b26486162338
144d4a8b62970c
1524bad5730319
hex123ddc901000

20056902733824 has 832 divisors, whose sum is σ = 63185029060608. Its totient is φ = 5591059660800.

The previous prime is 20056902733799. The next prime is 20056902733853. The reversal of 20056902733824 is 42833720965002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19644370434 + ... + 19644371454.

It is an arithmetic number, because the mean of its divisors is an integer number (75943544544).

Almost surely, 220056902733824 is an apocalyptic number.

20056902733824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20056902733824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31592514530304).

20056902733824 is an abundant number, since it is smaller than the sum of its proper divisors (43128126326784).

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

20056902733824 is a wasteful number, since it uses less digits than its factorization.

20056902733824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 20056902733824 in words is "twenty trillion, fifty-six billion, nine hundred two million, seven hundred thirty-three thousand, eight hundred twenty-four".