20864096604 has 72 divisors (see below), whose sum is σ = 57759439920. Its totient is φ = 6310904832.

The previous prime is 20864096597. The next prime is 20864096623. The reversal of 20864096604 is 40669046802.

It is a self number, because there is not a number n which added to its sum of digits gives 20864096604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350197 + ... + 405420.

Almost surely, 2^20864096604 is an apocalyptic number.

It is an amenable number.

20864096604 is an abundant number, since it is smaller than the sum of its proper divisors (36895343316).

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

20864096604 is a wasteful number, since it uses less digits than its factorization.

20864096604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755699 (or 755694 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20864096604 in words is "twenty billion, eight hundred sixty-four million, ninety-six thousand, six hundred four".