304302120 has 64 divisors (see below), whose sum is σ = 915045120. Its totient is φ = 80957184.

The previous prime is 304302113. The next prime is 304302137. The reversal of 304302120 is 21203403.

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 304302120.

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, 52822 + ... + 58298.

It is an arithmetic number, because the mean of its divisors is an integer number (14297580).

Almost surely, 2^304302120 is an apocalyptic number.

304302120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304302120 is an abundant number, since it is smaller than the sum of its proper divisors (610743000).

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

304302120 is a wasteful number, since it uses less digits than its factorization.

304302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954 (or 5950 counting only the distinct ones).

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

The square root of 304302120 is about 17444.2575078448. The cubic root of 304302120 is about 672.6177532273.

Adding to 304302120 its reverse (21203403), we get a palindrome (325505523).

The spelling of 304302120 in words is "three hundred four million, three hundred two thousand, one hundred twenty".