304320120 has 64 divisors (see below), whose sum is σ = 983193120. Its totient is φ = 74909184.

The previous prime is 304320101. The next prime is 304320127. The reversal of 304320120 is 21023403.

304320120 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-2 number, since 2×304320120² = 185221470873628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 304320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304320127) 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, 95979 + ... + 99098.

Almost surely, 2^304320120 is an apocalyptic number.

304320120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304320120 is an abundant number, since it is smaller than the sum of its proper divisors (678873000).

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

304320120 is a wasteful number, since it uses less digits than its factorization.

304320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195104 (or 195100 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 304320120 is about 17444.7734293111. The cubic root of 304320120 is about 672.6310151361.

Adding to 304320120 its reverse (21023403), we get a palindrome (325343523).

The spelling of 304320120 in words is "three hundred four million, three hundred twenty thousand, one hundred twenty".