20593116885013 has 4 divisors (see below), whose sum is σ = 20942152764480. Its totient is φ = 20244081005548.

The previous prime is 20593116885001. The next prime is 20593116885031. The reversal of 20593116885013 is 31058861139502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20593116885013 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 (20593116883013) 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, 174517939645 + ... + 174517939762.

It is an arithmetic number, because the mean of its divisors is an integer number (5235538191120).

Almost surely, 2^{20593116885013} is an apocalyptic number.

It is an amenable number.

20593116885013 is a deficient number, since it is larger than the sum of its proper divisors (349035879467).

20593116885013 is an equidigital number, since it uses as much as digits as its factorization.

20593116885013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349035879466.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 20593116885013 in words is "twenty trillion, five hundred ninety-three billion, one hundred sixteen million, eight hundred eighty-five thousand, thirteen".