20345020052304 has 80 divisors (see below), whose sum is σ = 52941483403200. Its totient is φ = 6732197511168.

The previous prime is 20345020052297. The next prime is 20345020052333. The reversal of 20345020052304 is 40325002054302.

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 15 ways as a sum of consecutive naturals, for example, 67456912 + ... + 67757840.

It is an arithmetic number, because the mean of its divisors is an integer number (661768542540).

Almost surely, 2^{20345020052304} is an apocalyptic number.

20345020052304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20345020052304 is an abundant number, since it is smaller than the sum of its proper divisors (32596463350896).

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

20345020052304 is a wasteful number, since it uses less digits than its factorization.

20345020052304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311212 (or 311206 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 20345020052304 in words is "twenty trillion, three hundred forty-five billion, twenty million, fifty-two thousand, three hundred four".