304235134020 has 72 divisors (see below), whose sum is σ = 922894365120. Its totient is φ = 81125167680.

The previous prime is 304235134019. The next prime is 304235134117. The reversal of 304235134020 is 20431532403.

304235134020 is a `hidden beast` number, since 304 + 2 + 351 + 3 + 4 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×304235134020² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5147235 + ... + 5206005.

Almost surely, 2^304235134020 is an apocalyptic number.

304235134020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304235134020 is an abundant number, since it is smaller than the sum of its proper divisors (618659231100).

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

304235134020 is a wasteful number, since it uses less digits than its factorization.

304235134020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87545 (or 87540 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 304235134020 its reverse (20431532403), we get a palindrome (324666666423).

The spelling of 304235134020 in words is "three hundred four billion, two hundred thirty-five million, one hundred thirty-four thousand, twenty".