320302200120 has 64 divisors (see below), whose sum is σ = 1098178974720. Its totient is φ = 73211931264.

The previous prime is 320302200107. The next prime is 320302200131. The reversal of 320302200120 is 21002203023.

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 320302200120.

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, 190655232 + ... + 190656911.

It is an arithmetic number, because the mean of its divisors is an integer number (17159046480).

Almost surely, 2^320302200120 is an apocalyptic number.

320302200120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320302200120 is an abundant number, since it is smaller than the sum of its proper divisors (777876774600).

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

320302200120 is a wasteful number, since it uses less digits than its factorization.

320302200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381312164 (or 381312160 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 320302200120 its reverse (21002203023), we get a palindrome (341304403143).

The spelling of 320302200120 in words is "three hundred twenty billion, three hundred two million, two hundred thousand, one hundred twenty".