5020420122517 has 2 divisors, whose sum is σ = 5020420122518. Its totient is φ = 5020420122516.

The previous prime is 5020420122401. The next prime is 5020420122533. The reversal of 5020420122517 is 7152210240205.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4819083048081 + 201337074436 = 2195241^2 + 448706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5020420122517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5020420122547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510210061258 + 2510210061259.

It is an arithmetic number, because the mean of its divisors is an integer number (2510210061259).

Almost surely, 2^{5020420122517} is an apocalyptic number.

It is an amenable number.

5020420122517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020420122517 is an equidigital number, since it uses as much as digits as its factorization.

5020420122517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 5020420122517 in words is "five trillion, twenty billion, four hundred twenty million, one hundred twenty-two thousand, five hundred seventeen".