20312430230 has 16 divisors (see below), whose sum is σ = 37025190720. Its totient is φ = 8022124032.

The previous prime is 20312430181. The next prime is 20312430269. The reversal of 20312430230 is 3203421302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12855179 + ... + 12856758.

It is an arithmetic number, because the mean of its divisors is an integer number (2314074420).

Almost surely, 2^20312430230 is an apocalyptic number.

20312430230 is a deficient number, since it is larger than the sum of its proper divisors (16712760490).

20312430230 is a wasteful number, since it uses less digits than its factorization.

20312430230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25712023.

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

Adding to 20312430230 its reverse (3203421302), we get a palindrome (23515851532).

The spelling of 20312430230 in words is "twenty billion, three hundred twelve million, four hundred thirty thousand, two hundred thirty".