20125203001 has 2 divisors, whose sum is σ = 20125203002. Its totient is φ = 20125203000.

The previous prime is 20125202953. The next prime is 20125203013. The reversal of 20125203001 is 10030252102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13706789776 + 6418413225 = 117076^2 + 80115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125203001 - 2²⁹ = 19588332089 is a prime.

It is not a weakly prime, because it can be changed into another prime (20125203401) 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, 10062601500 + 10062601501.

It is an arithmetic number, because the mean of its divisors is an integer number (10062601501).

Almost surely, 2^20125203001 is an apocalyptic number.

It is an amenable number.

20125203001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125203001 is an equidigital number, since it uses as much as digits as its factorization.

20125203001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20125203001 its reverse (10030252102), we get a palindrome (30155455103).

The spelling of 20125203001 in words is "twenty billion, one hundred twenty-five million, two hundred three thousand, one".