20312466636063 has 16 divisors (see below), whose sum is σ = 30993003369216. Its totient is φ = 11591871320640.

The previous prime is 20312466636053. The next prime is 20312466636097. The reversal of 20312466636063 is 36063666421302.

It is not a de Polignac number, because 20312466636063 - 2⁵ = 20312466636031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312466636043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635503281 + ... + 635535242.

It is an arithmetic number, because the mean of its divisors is an integer number (1937062710576).

Almost surely, 2^{20312466636063} is an apocalyptic number.

20312466636063 is a deficient number, since it is larger than the sum of its proper divisors (10680536733153).

20312466636063 is a wasteful number, since it uses less digits than its factorization.

20312466636063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271039294.

The product of its (nonzero) digits is 3359232, while the sum is 48.

The spelling of 20312466636063 in words is "twenty trillion, three hundred twelve billion, four hundred sixty-six million, six hundred thirty-six thousand, sixty-three".