320120030120 has 64 divisors (see below), whose sum is σ = 795695443200. Its totient is φ = 114933761280.

The previous prime is 320120030063. The next prime is 320120030129. The reversal of 320120030120 is 21030021023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320120030095 and 320120030104.

It is not an unprimeable number, because it can be changed into a prime (320120030129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4569959 + ... + 4639478.

It is an arithmetic number, because the mean of its divisors is an integer number (12432741300).

Almost surely, 2^320120030120 is an apocalyptic number.

It is an amenable number.

320120030120 is an abundant number, since it is smaller than the sum of its proper divisors (475575413080).

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

320120030120 is a wasteful number, since it uses less digits than its factorization.

320120030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209538 (or 9209534 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 320120030120 its reverse (21030021023), we get a palindrome (341150051143).

The spelling of 320120030120 in words is "three hundred twenty billion, one hundred twenty million, thirty thousand, one hundred twenty".