20373604456504 has 64 divisors (see below), whose sum is σ = 42478937303040. Its totient is φ = 9097116497280.

The previous prime is 20373604456459. The next prime is 20373604456573. The reversal of 20373604456504 is 40565440637302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9706317 + ... + 11617219.

It is an arithmetic number, because the mean of its divisors is an integer number (663733395360).

Almost surely, 2^{20373604456504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20373604456504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21239468651520).

20373604456504 is an abundant number, since it is smaller than the sum of its proper divisors (22105332846536).

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

20373604456504 is a wasteful number, since it uses less digits than its factorization.

20373604456504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914260 (or 1914256 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 20373604456504 in words is "twenty trillion, three hundred seventy-three billion, six hundred four million, four hundred fifty-six thousand, five hundred four".