20312325665130 has 64 divisors (see below), whose sum is σ = 49822505905536. Its totient is φ = 5298387552000.

The previous prime is 20312325665083. The next prime is 20312325665141. The reversal of 20312325665130 is 3156652321302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30330736 + ... + 30993195.

It is an arithmetic number, because the mean of its divisors is an integer number (778476654774).

Almost surely, 2^{20312325665130} is an apocalyptic number.

20312325665130 is an abundant number, since it is smaller than the sum of its proper divisors (29510180240406).

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

20312325665130 is a wasteful number, since it uses less digits than its factorization.

20312325665130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61324183.

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 20312325665130 its reverse (3156652321302), we get a palindrome (23468977986432).

The spelling of 20312325665130 in words is "twenty trillion, three hundred twelve billion, three hundred twenty-five million, six hundred sixty-five thousand, one hundred thirty".