320245222120 has 16 divisors (see below), whose sum is σ = 720551749860. Its totient is φ = 128098088832.

The previous prime is 320245222057. The next prime is 320245222163. The reversal of 320245222120 is 21222542023.

It can be written as a sum of positive squares in 2 ways, for example, as 318156914916 + 2088307204 = 564054^2 + 45698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4003065237 + ... + 4003065316.

Almost surely, 2^320245222120 is an apocalyptic number.

It is an amenable number.

320245222120 is an abundant number, since it is smaller than the sum of its proper divisors (400306527740).

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

320245222120 is a wasteful number, since it uses less digits than its factorization.

320245222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006130564 (or 8006130560 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 320245222120 its reverse (21222542023), we get a palindrome (341467764143).

The spelling of 320245222120 in words is "three hundred twenty billion, two hundred forty-five million, two hundred twenty-two thousand, one hundred twenty".