20595193631 has 2 divisors, whose sum is σ = 20595193632. Its totient is φ = 20595193630.

The previous prime is 20595193607. The next prime is 20595193651. The reversal of 20595193631 is 13639159502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20595193631 - 2³⁴ = 3415324447 is a prime.

It is a super-2 number, since 2×20595193631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20595193601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10297596815 + 10297596816.

It is an arithmetic number, because the mean of its divisors is an integer number (10297596816).

Almost surely, 2^20595193631 is an apocalyptic number.

20595193631 is a deficient number, since it is larger than the sum of its proper divisors (1).

20595193631 is an equidigital number, since it uses as much as digits as its factorization.

20595193631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 20595193631 in words is "twenty billion, five hundred ninety-five million, one hundred ninety-three thousand, six hundred thirty-one".