5020420122401 has 2 divisors, whose sum is σ = 5020420122402. Its totient is φ = 5020420122400.

The previous prime is 5020420122383. The next prime is 5020420122517. The reversal of 5020420122401 is 1042210240205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4977093283600 + 43326838801 = 2230940^2 + 208151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5020420122401 is a prime.

It is not a weakly prime, because it can be changed into another prime (5020420122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510210061200 + 2510210061201.

It is an arithmetic number, because the mean of its divisors is an integer number (2510210061201).

Almost surely, 2^{5020420122401} is an apocalyptic number.

It is an amenable number.

5020420122401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020420122401 is an equidigital number, since it uses as much as digits as its factorization.

5020420122401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 5020420122401 its reverse (1042210240205), we get a palindrome (6062630362606).

The spelling of 5020420122401 in words is "five trillion, twenty billion, four hundred twenty million, one hundred twenty-two thousand, four hundred one".