20593116885031 has 2 divisors, whose sum is σ = 20593116885032. Its totient is φ = 20593116885030.

The previous prime is 20593116885001. The next prime is 20593116885149. The reversal of 20593116885031 is 13058861139502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20593116885031 is a prime.

It is a super-2 number, since 2×20593116885031² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20593116885031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20593116885001) by changing a digit.

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 as a sum of consecutive naturals, namely, 10296558442515 + 10296558442516.

It is an arithmetic number, because the mean of its divisors is an integer number (10296558442516).

Almost surely, 2^{20593116885031} is an apocalyptic number.

20593116885031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593116885031 is an equidigital number, since it uses as much as digits as its factorization.

20593116885031 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 20593116885031 in words is "twenty trillion, five hundred ninety-three billion, one hundred sixteen million, eight hundred eighty-five thousand, thirty-one".