20004305563504 has 20 divisors (see below), whose sum is σ = 38802235988776. Its totient is φ = 9990825308352.

The previous prime is 20004305563483. The next prime is 20004305563573. The reversal of 20004305563504 is 40536550340002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707952519 + ... + 707980774.

Almost surely, 2^{20004305563504} is an apocalyptic number.

It is an amenable number.

20004305563504 is a deficient number, since it is larger than the sum of its proper divisors (18797930425272).

20004305563504 is a wasteful number, since it uses less digits than its factorization.

20004305563504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415934184 (or 1415934178 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 20004305563504 in words is "twenty trillion, four billion, three hundred five million, five hundred sixty-three thousand, five hundred four".