20102204220019 has 2 divisors, whose sum is σ = 20102204220020. Its totient is φ = 20102204220018.

The previous prime is 20102204219987. The next prime is 20102204220067. The reversal of 20102204220019 is 91002240220102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102204220019 - 2⁵ = 20102204219987 is a prime.

It is a super-2 number, since 2×20102204220019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20102204219975 and 20102204220002.

It is not a weakly prime, because it can be changed into another prime (20102204220719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051102110009 + 10051102110010.

It is an arithmetic number, because the mean of its divisors is an integer number (10051102110010).

Almost surely, 2^{20102204220019} is an apocalyptic number.

20102204220019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102204220019 is an equidigital number, since it uses as much as digits as its factorization.

20102204220019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20102204220019 in words is "twenty trillion, one hundred two billion, two hundred four million, two hundred twenty thousand, nineteen".