320733398120 has 16 divisors (see below), whose sum is σ = 721650145860. Its totient is φ = 128293359232.

The previous prime is 320733398107. The next prime is 320733398131. The reversal of 320733398120 is 21893337023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 285824959876 + 34908438244 = 534626^2 + 186838^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009167437 + ... + 4009167516.

Almost surely, 2^320733398120 is an apocalyptic number.

It is an amenable number.

320733398120 is an abundant number, since it is smaller than the sum of its proper divisors (400916747740).

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

320733398120 is a wasteful number, since it uses less digits than its factorization.

320733398120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018334964 (or 8018334960 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 320733398120 in words is "three hundred twenty billion, seven hundred thirty-three million, three hundred ninety-eight thousand, one hundred twenty".