304043020 has 12 divisors (see below), whose sum is σ = 638490384. Its totient is φ = 121617200.

The previous prime is 304042967. The next prime is 304043041. The reversal of 304043020 is 20340403.

It is a junction number, because it is equal to n+sod(n) for n = 304042985 and 304043003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7601056 + ... + 7601095.

It is an arithmetic number, because the mean of its divisors is an integer number (53207532).

Almost surely, 2^304043020 is an apocalyptic number.

It is an amenable number.

304043020 is an abundant number, since it is smaller than the sum of its proper divisors (334447364).

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

304043020 is a wasteful number, since it uses less digits than its factorization.

304043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202160 (or 15202158 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 304043020 is about 17436.8294136291. The cubic root of 304043020 is about 672.4267974475.

Adding to 304043020 its reverse (20340403), we get a palindrome (324383423).

The spelling of 304043020 in words is "three hundred four million, forty-three thousand, twenty".