20313100462663 has 4 divisors (see below), whose sum is σ = 20374469346568. Its totient is φ = 20251731578760.

The previous prime is 20313100462651. The next prime is 20313100462679. The reversal of 20313100462663 is 36626400131302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20313100462663 - 2¹⁷ = 20313100331591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313100402663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30684441456 + ... + 30684442117.

It is an arithmetic number, because the mean of its divisors is an integer number (5093617336642).

Almost surely, 2^{20313100462663} is an apocalyptic number.

20313100462663 is a deficient number, since it is larger than the sum of its proper divisors (61368883905).

20313100462663 is an equidigital number, since it uses as much as digits as its factorization.

20313100462663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61368883904.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 20313100462663 its reverse (36626400131302), we get a palindrome (56939500593965).

The spelling of 20313100462663 in words is "twenty trillion, three hundred thirteen billion, one hundred million, four hundred sixty-two thousand, six hundred sixty-three".