20304430130 has 16 divisors (see below), whose sum is σ = 38137017024. Its totient is φ = 7768651440.

The previous prime is 20304430129. The next prime is 20304430169. The reversal of 20304430130 is 3103440302.

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, 44139836 + ... + 44140295.

It is an arithmetic number, because the mean of its divisors is an integer number (2383563564).

Almost surely, 2^20304430130 is an apocalyptic number.

20304430130 is a deficient number, since it is larger than the sum of its proper divisors (17832586894).

20304430130 is a wasteful number, since it uses less digits than its factorization.

20304430130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88280161.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20304430130 its reverse (3103440302), we get a palindrome (23407870432).

The spelling of 20304430130 in words is "twenty billion, three hundred four million, four hundred thirty thousand, one hundred thirty".