20020125019 has 2 divisors, whose sum is σ = 20020125020. Its totient is φ = 20020125018.

The previous prime is 20020125001. The next prime is 20020125023. The reversal of 20020125019 is 91052102002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020125019 - 2⁹ = 20020124507 is a prime.

It is a super-2 number, since 2×20020125019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20020125919) 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, 10010062509 + 10010062510.

It is an arithmetic number, because the mean of its divisors is an integer number (10010062510).

Almost surely, 2^20020125019 is an apocalyptic number.

20020125019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020125019 is an equidigital number, since it uses as much as digits as its factorization.

20020125019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 20020125019 in words is "twenty billion, twenty million, one hundred twenty-five thousand, nineteen".