20287592430113 has 2 divisors, whose sum is σ = 20287592430114. Its totient is φ = 20287592430112.

The previous prime is 20287592430101. The next prime is 20287592430137. The reversal of 20287592430113 is 31103429578202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18588618348304 + 1698974081809 = 4311452^2 + 1303447^2 .

It is a cyclic number.

It is not a de Polignac number, because 20287592430113 - 2⁸ = 20287592429857 is a prime.

It is a super-2 number, since 2×20287592430113² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20287592432113) 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, 10143796215056 + 10143796215057.

It is an arithmetic number, because the mean of its divisors is an integer number (10143796215057).

Almost surely, 2^{20287592430113} is an apocalyptic number.

It is an amenable number.

20287592430113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20287592430113 is an equidigital number, since it uses as much as digits as its factorization.

20287592430113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 20287592430113 in words is "twenty trillion, two hundred eighty-seven billion, five hundred ninety-two million, four hundred thirty thousand, one hundred thirteen".