304318020 has 192 divisors, whose sum is σ = 943439616. Its totient is φ = 72990720.

The previous prime is 304318019. The next prime is 304318043. The reversal of 304318020 is 20813403.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4168704 + ... + 4168776.

It is an arithmetic number, because the mean of its divisors is an integer number (4913748).

Almost surely, 2^304318020 is an apocalyptic number.

304318020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304318020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471719808).

304318020 is an abundant number, since it is smaller than the sum of its proper divisors (639121596).

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

304318020 is a wasteful number, since it uses less digits than its factorization.

304318020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 304318020 is about 17444.7132392596. The cubic root of 304318020 is about 672.6294679404.

The spelling of 304318020 in words is "three hundred four million, three hundred eighteen thousand, twenty".