20320604050512 has 20 divisors (see below), whose sum is σ = 52494893797280. Its totient is φ = 6773534683488.

The previous prime is 20320604050501. The next prime is 20320604050543. The reversal of 20320604050512 is 21505040602302.

It is a self number, because there is not a number n which added to its sum of digits gives 20320604050512.

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 3 ways as a sum of consecutive naturals, for example, 211672958812 + ... + 211672958907.

It is an arithmetic number, because the mean of its divisors is an integer number (2624744689864).

Almost surely, 2^{20320604050512} is an apocalyptic number.

It is an amenable number.

20320604050512 is an abundant number, since it is smaller than the sum of its proper divisors (32174289746768).

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

20320604050512 is a wasteful number, since it uses less digits than its factorization.

20320604050512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423345917730 (or 423345917724 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20320604050512 its reverse (21505040602302), we get a palindrome (41825644652814).

The spelling of 20320604050512 in words is "twenty trillion, three hundred twenty billion, six hundred four million, fifty thousand, five hundred twelve".