20067596568 has 24 divisors (see below), whose sum is σ = 54349740900. Its totient is φ = 6689198832.

The previous prime is 20067596561. The next prime is 20067596579. The reversal of 20067596568 is 86569576002.

It is a happy number.

20067596568 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 75 + 9 + 6 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067596561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139358238 + ... + 139358381.

Almost surely, 2^20067596568 is an apocalyptic number.

It is an amenable number.

20067596568 is an abundant number, since it is smaller than the sum of its proper divisors (34282144332).

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

20067596568 is a wasteful number, since it uses less digits than its factorization.

20067596568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278716631 (or 278716624 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 20067596568 in words is "twenty billion, sixty-seven million, five hundred ninety-six thousand, five hundred sixty-eight".