202020031019 has 2 divisors, whose sum is σ = 202020031020. Its totient is φ = 202020031018.

The previous prime is 202020030943. The next prime is 202020031061. The reversal of 202020031019 is 910130020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202020031019 - 2²⁰ = 202018982443 is a prime.

It is a super-2 number, since 2×202020031019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202020051019) 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, 101010015509 + 101010015510.

It is an arithmetic number, because the mean of its divisors is an integer number (101010015510).

Almost surely, 2^202020031019 is an apocalyptic number.

202020031019 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020031019 is an equidigital number, since it uses as much as digits as its factorization.

202020031019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 202020031019 in words is "two hundred two billion, twenty million, thirty-one thousand, nineteen".