20312102312300 has 36 divisors (see below), whose sum is σ = 44100820554336. Its totient is φ = 8120498337600.

The previous prime is 20312102312291. The next prime is 20312102312363. The reversal of 20312102312300 is 321320121302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54094307 + ... + 54468506.

It is an arithmetic number, because the mean of its divisors is an integer number (1225022793176).

Almost surely, 2^{20312102312300} is an apocalyptic number.

20312102312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312102312300 is an abundant number, since it is smaller than the sum of its proper divisors (23788718242036).

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

20312102312300 is a wasteful number, since it uses less digits than its factorization.

20312102312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108564698 (or 108564691 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20312102312300 its reverse (321320121302), we get a palindrome (20633422433602).

The spelling of 20312102312300 in words is "twenty trillion, three hundred twelve billion, one hundred two million, three hundred twelve thousand, three hundred".