20596740590593 has 2 divisors, whose sum is σ = 20596740590594. Its totient is φ = 20596740590592.

The previous prime is 20596740590519. The next prime is 20596740590659. The reversal of 20596740590593 is 39509504769502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19743385882609 + 853354707984 = 4443353^2 + 923772^2 .

It is a cyclic number.

It is not a de Polignac number, because 20596740590593 - 2⁹ = 20596740590081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20596740590513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10298370295296 + 10298370295297.

It is an arithmetic number, because the mean of its divisors is an integer number (10298370295297).

Almost surely, 2^{20596740590593} is an apocalyptic number.

It is an amenable number.

20596740590593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20596740590593 is an equidigital number, since it uses as much as digits as its factorization.

20596740590593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854000, while the sum is 64.

The spelling of 20596740590593 in words is "twenty trillion, five hundred ninety-six billion, seven hundred forty million, five hundred ninety thousand, five hundred ninety-three".