20330320504 has 32 divisors (see below), whose sum is σ = 41065143840. Its totient is φ = 9380131200.

The previous prime is 20330320499. The next prime is 20330320529. The reversal of 20330320504 is 40502303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301234 + ... + 362494.

It is an arithmetic number, because the mean of its divisors is an integer number (1283285745).

Almost surely, 2^20330320504 is an apocalyptic number.

It is an amenable number.

20330320504 is an abundant number, since it is smaller than the sum of its proper divisors (20734823336).

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

20330320504 is a wasteful number, since it uses less digits than its factorization.

20330320504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64471 (or 64467 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20330320504 its reverse (40502303302), we get a palindrome (60832623806).

The spelling of 20330320504 in words is "twenty billion, three hundred thirty million, three hundred twenty thousand, five hundred four".