20069188368 has 80 divisors (see below), whose sum is σ = 55468920000. Its totient is φ = 6233725440.

The previous prime is 20069188327. The next prime is 20069188393. The reversal of 20069188368 is 86388196002.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20069188368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124743 + ... + 236006.

It is an arithmetic number, because the mean of its divisors is an integer number (693361500).

Almost surely, 2^20069188368 is an apocalyptic number.

It is an amenable number.

20069188368 is an abundant number, since it is smaller than the sum of its proper divisors (35399731632).

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

20069188368 is a wasteful number, since it uses less digits than its factorization.

20069188368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360840 (or 360834 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 20069188368 in words is "twenty billion, sixty-nine million, one hundred eighty-eight thousand, three hundred sixty-eight".