20312641213020 has 144 divisors (see below), whose sum is σ = 66599481067392. Its totient is φ = 4981584291840.

The previous prime is 20312641213001. The next prime is 20312641213037. The reversal of 20312641213020 is 2031214621302.

20312641213020 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 2 + 641 + 2 + 13 + 0 + 2 + 0 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 15381757 + ... + 16650036.

Almost surely, 2^{20312641213020} is an apocalyptic number.

20312641213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20312641213020 is an abundant number, since it is smaller than the sum of its proper divisors (46286839854372).

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

20312641213020 is a wasteful number, since it uses less digits than its factorization.

20312641213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32032092 (or 32032087 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20312641213020 its reverse (2031214621302), we get a palindrome (22343855834322).

The spelling of 20312641213020 in words is "twenty trillion, three hundred twelve billion, six hundred forty-one million, two hundred thirteen thousand, twenty".