304020812 has 24 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 149761040.

The previous prime is 304020803. The next prime is 304020851. The reversal of 304020812 is 218020403.

It is a pancake number, because a pancake can be divided into 304020812 parts by 24658 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79889 + ... + 83607.

It is an arithmetic number, because the mean of its divisors is an integer number (22498560).

Almost surely, 2^304020812 is an apocalyptic number.

It is an amenable number.

304020812 is a deficient number, since it is larger than the sum of its proper divisors (235944628).

304020812 is a wasteful number, since it uses less digits than its factorization.

304020812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021 (or 4019 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 304020812 is about 17436.1925889800. The cubic root of 304020812 is about 672.4104251834.

The spelling of 304020812 in words is "three hundred four million, twenty thousand, eight hundred twelve".