20044684568 has 16 divisors (see below), whose sum is σ = 38796164160. Its totient is φ = 9699040800.

The previous prime is 20044684559. The next prime is 20044684573. The reversal of 20044684568 is 86548644002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40412423 + ... + 40412918.

It is an arithmetic number, because the mean of its divisors is an integer number (2424760260).

Almost surely, 2^20044684568 is an apocalyptic number.

It is an amenable number.

20044684568 is a deficient number, since it is larger than the sum of its proper divisors (18751479592).

20044684568 is a wasteful number, since it uses less digits than its factorization.

20044684568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80825378 (or 80825374 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 20044684568 in words is "twenty billion, forty-four million, six hundred eighty-four thousand, five hundred sixty-eight".