20524795013 has 2 divisors, whose sum is σ = 20524795014. Its totient is φ = 20524795012.

The previous prime is 20524795007. The next prime is 20524795051. The reversal of 20524795013 is 31059742502.

It is an a-pointer prime, because the next prime (20524795051) can be obtained adding 20524795013 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20522854564 + 1940449 = 143258^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 20524795013 - 2⁸ = 20524794757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20524795003) 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, 10262397506 + 10262397507.

It is an arithmetic number, because the mean of its divisors is an integer number (10262397507).

Almost surely, 2^20524795013 is an apocalyptic number.

It is an amenable number.

20524795013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20524795013 is an equidigital number, since it uses as much as digits as its factorization.

20524795013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 20524795013 in words is "twenty billion, five hundred twenty-four million, seven hundred ninety-five thousand, thirteen".