20321306060504 has 16 divisors (see below), whose sum is σ = 38479700833920. Its totient is φ = 10060052504800.

The previous prime is 20321306060501. The next prime is 20321306060519. The reversal of 20321306060504 is 40506060312302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321306060501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575064824 + ... + 12575066439.

It is an arithmetic number, because the mean of its divisors is an integer number (2404981302120).

Almost surely, 2^{20321306060504} is an apocalyptic number.

It is an amenable number.

20321306060504 is a deficient number, since it is larger than the sum of its proper divisors (18158394773416).

20321306060504 is a wasteful number, since it uses less digits than its factorization.

20321306060504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25150131370 (or 25150131366 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20321306060504 its reverse (40506060312302), we get a palindrome (60827366372806).

The spelling of 20321306060504 in words is "twenty trillion, three hundred twenty-one billion, three hundred six million, sixty thousand, five hundred four".