20302131230 has 16 divisors (see below), whose sum is σ = 36549905184. Its totient is φ = 8119503840.

The previous prime is 20302131209. The next prime is 20302131247. The reversal of 20302131230 is 3213120302.

It is a junction number, because it is equal to n+sod(n) for n = 20302131199 and 20302131208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104186 + ... + 226845.

It is an arithmetic number, because the mean of its divisors is an integer number (2284369074).

Almost surely, 2^20302131230 is an apocalyptic number.

20302131230 is a deficient number, since it is larger than the sum of its proper divisors (16247773954).

20302131230 is a wasteful number, since it uses less digits than its factorization.

20302131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337171.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20302131230 its reverse (3213120302), we get a palindrome (23515251532).

The spelling of 20302131230 in words is "twenty billion, three hundred two million, one hundred thirty-one thousand, two hundred thirty".