20068711584164 has 6 divisors (see below), whose sum is σ = 35120245272294. Its totient is φ = 10034355792080.

The previous prime is 20068711584043. The next prime is 20068711584191. The reversal of 20068711584164 is 46148511786002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19301699956900 + 767011627264 = 4393370^2 + 875792^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508588948017 + ... + 2508588948024.

It is an arithmetic number, because the mean of its divisors is an integer number (5853374212049).

Almost surely, 2^{20068711584164} is an apocalyptic number.

It is an amenable number.

20068711584164 is a deficient number, since it is larger than the sum of its proper divisors (15051533688130).

20068711584164 is a wasteful number, since it uses less digits than its factorization.

20068711584164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5017177896045 (or 5017177896043 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 20068711584164 in words is "twenty trillion, sixty-eight billion, seven hundred eleven million, five hundred eighty-four thousand, one hundred sixty-four".