20748152672568 has 64 divisors (see below), whose sum is σ = 57634226848800. Its totient is φ = 6915994560000.

The previous prime is 20748152672567. The next prime is 20748152672573. The reversal of 20748152672568 is 86527625184702.

20748152672568 is a `hidden beast` number, since 2 + 0 + 7 + 4 + 8 + 1 + 5 + 2 + 67 + 2 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20748152672563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32625280 + ... + 33255152.

Almost surely, 2^{20748152672568} is an apocalyptic number.

It is an amenable number.

20748152672568 is an abundant number, since it is smaller than the sum of its proper divisors (36886074176232).

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

20748152672568 is a wasteful number, since it uses less digits than its factorization.

20748152672568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782389 (or 782379 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 63.

The spelling of 20748152672568 in words is "twenty trillion, seven hundred forty-eight billion, one hundred fifty-two million, six hundred seventy-two thousand, five hundred sixty-eight".