320450120 has 16 divisors (see below), whose sum is σ = 721012860. Its totient is φ = 128180032.

The previous prime is 320450113. The next prime is 320450161. The reversal of 320450120 is 21054023.

It can be written as a sum of positive squares in 2 ways, for example, as 318765316 + 1684804 = 17854^2 + 1298^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4005587 + ... + 4005666.

Almost surely, 2^320450120 is an apocalyptic number.

It is an amenable number.

320450120 is an abundant number, since it is smaller than the sum of its proper divisors (400562740).

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

320450120 is a wasteful number, since it uses less digits than its factorization.

320450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011264 (or 8011260 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 320450120 is about 17901.1206353122. The cubic root of 320450120 is about 684.3109344059.

The spelling of 320450120 in words is "three hundred twenty million, four hundred fifty thousand, one hundred twenty".