20316120162593 has 2 divisors, whose sum is σ = 20316120162594. Its totient is φ = 20316120162592.

The previous prime is 20316120162523. The next prime is 20316120162629. The reversal of 20316120162593 is 39526102161302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10772364208384 + 9543755954209 = 3282128^2 + 3089297^2 .

It is a cyclic number.

It is not a de Polignac number, because 20316120162593 - 2³⁶ = 20247400685857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20316120162593.

It is not a weakly prime, because it can be changed into another prime (20316120162523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158060081296 + 10158060081297.

It is an arithmetic number, because the mean of its divisors is an integer number (10158060081297).

Almost surely, 2^{20316120162593} is an apocalyptic number.

It is an amenable number.

20316120162593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20316120162593 is an equidigital number, since it uses as much as digits as its factorization.

20316120162593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 20316120162593 in words is "twenty trillion, three hundred sixteen billion, one hundred twenty million, one hundred sixty-two thousand, five hundred ninety-three".