304021202130 has 48 divisors (see below), whose sum is σ = 794871118080. Its totient is φ = 80619398304.

The previous prime is 304021202071. The next prime is 304021202137. The reversal of 304021202130 is 31202120403.

304021202130 is a `hidden beast` number, since 30 + 402 + 1 + 20 + 213 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (304021202137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9419682 + ... + 9451901.

It is an arithmetic number, because the mean of its divisors is an integer number (16559814960).

Almost surely, 2^304021202130 is an apocalyptic number.

304021202130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304021202130 is an abundant number, since it is smaller than the sum of its proper divisors (490849915950).

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

304021202130 is a wasteful number, since it uses less digits than its factorization.

304021202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18871775 (or 18871772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 304021202130 its reverse (31202120403), we get a palindrome (335223322533).

The spelling of 304021202130 in words is "three hundred four billion, twenty-one million, two hundred two thousand, one hundred thirty".