2002020021019 has 2 divisors, whose sum is σ = 2002020021020. Its totient is φ = 2002020021018.

The previous prime is 2002020020981. The next prime is 2002020021037. The reversal of 2002020021019 is 9101200202002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002020021019 - 2²⁵ = 2001986466587 is a prime.

It is a super-2 number, since 2×2002020021019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002020020987 and 2002020021005.

It is not a weakly prime, because it can be changed into another prime (2002020001019) 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, 1001010010509 + 1001010010510.

It is an arithmetic number, because the mean of its divisors is an integer number (1001010010510).

Almost surely, 2^{2002020021019} is an apocalyptic number.

2002020021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002020021019 is an equidigital number, since it uses as much as digits as its factorization.

2002020021019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 2002020021019 in words is "two trillion, two billion, twenty million, twenty-one thousand, nineteen".