320120472 has 64 divisors (see below), whose sum is σ = 968440320. Its totient is φ = 86082048.

The previous prime is 320120461. The next prime is 320120503. The reversal of 320120472 is 274021023.

320120472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×320120472³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 53188 + ... + 58899.

It is an arithmetic number, because the mean of its divisors is an integer number (15131880).

Almost surely, 2^320120472 is an apocalyptic number.

It is an amenable number.

320120472 is an abundant number, since it is smaller than the sum of its proper divisors (648319848).

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

320120472 is a wasteful number, since it uses less digits than its factorization.

320120472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112120 (or 112116 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 320120472 is about 17891.9107978997. The cubic root of 320120472 is about 684.0762029939.

Adding to 320120472 its reverse (274021023), we get a palindrome (594141495).

The spelling of 320120472 in words is "three hundred twenty million, one hundred twenty thousand, four hundred seventy-two".