304130020 has 24 divisors (see below), whose sum is σ = 639286200. Its totient is φ = 121535232.

The previous prime is 304130003. The next prime is 304130053. The reversal of 304130020 is 20031403.

It can be written as a sum of positive squares in 4 ways, for example, as 6360484 + 297769536 = 2522^2 + 17256^2 .

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, 15846 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (26636925).

Almost surely, 2^304130020 is an apocalyptic number.

It is an amenable number.

304130020 is an abundant number, since it is smaller than the sum of its proper divisors (335156180).

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

304130020 is a wasteful number, since it uses less digits than its factorization.

304130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14607 (or 14605 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 304130020 is about 17439.3239547868. The cubic root of 304130020 is about 672.4909282322.

Adding to 304130020 its reverse (20031403), we get a palindrome (324161423).

The spelling of 304130020 in words is "three hundred four million, one hundred thirty thousand, twenty".