320010120010320 has 80 divisors (see below), whose sum is σ = 1044243549522240. Its totient is φ = 80844661896192.

The previous prime is 320010120010253. The next prime is 320010120010367. The reversal of 320010120010320 is 23010021010023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 320010120010320.

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, 35088824389 + ... + 35088833508.

It is an arithmetic number, because the mean of its divisors is an integer number (13053044369028).

Almost surely, 2^{320010120010320} is an apocalyptic number.

320010120010320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320010120010320 is an abundant number, since it is smaller than the sum of its proper divisors (724233429511920).

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

320010120010320 is a wasteful number, since it uses less digits than its factorization.

320010120010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70177657932 (or 70177657926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320010120010320 its reverse (23010021010023), we get a palindrome (343020141020343).

The spelling of 320010120010320 in words is "three hundred twenty trillion, ten billion, one hundred twenty million, ten thousand, three hundred twenty".