20020125001 has 2 divisors, whose sum is σ = 20020125002. Its totient is φ = 20020125000.

The previous prime is 20020124989. The next prime is 20020125019. The reversal of 20020125001 is 10052102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18534099600 + 1486025401 = 136140^2 + 38549^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020125001 - 2¹⁵ = 20020092233 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020125101) 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, 10010062500 + 10010062501.

It is an arithmetic number, because the mean of its divisors is an integer number (10010062501).

Almost surely, 2^20020125001 is an apocalyptic number.

It is an amenable number.

20020125001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020125001 is an equidigital number, since it uses as much as digits as its factorization.

20020125001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 20020125001 its reverse (10052102002), we get a palindrome (30072227003).

The spelling of 20020125001 in words is "twenty billion, twenty million, one hundred twenty-five thousand, one".