20312641213046 has 64 divisors (see below), whose sum is σ = 39476073477120. Its totient is φ = 7612427018880.

The previous prime is 20312641213037. The next prime is 20312641213069. The reversal of 20312641213046 is 64031214621302.

It is a junction number, because it is equal to n+sod(n) for n = 20312641212997 and 20312641213015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68760176 + ... + 69054956.

It is an arithmetic number, because the mean of its divisors is an integer number (616813648080).

Almost surely, 2^{20312641213046} is an apocalyptic number.

20312641213046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20312641213046 is a deficient number, since it is larger than the sum of its proper divisors (19163432264074).

20312641213046 is a wasteful number, since it uses less digits than its factorization.

20312641213046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314749.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 20312641213046 its reverse (64031214621302), we get a palindrome (84343855834348).

The spelling of 20312641213046 in words is "twenty trillion, three hundred twelve billion, six hundred forty-one million, two hundred thirteen thousand, forty-six".