220202020211009 has 2 divisors, whose sum is σ = 220202020211010. Its totient is φ = 220202020211008.

The previous prime is 220202020210993. The next prime is 220202020211027. The reversal of 220202020211009 is 900112020202022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195668424351409 + 24533595859600 = 13988153^2 + 4953140^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202020211009 - 2⁴ = 220202020210993 is a prime.

It is a super-2 number, since 2×220202020211009² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220202020211209) 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, 110101010105504 + 110101010105505.

It is an arithmetic number, because the mean of its divisors is an integer number (110101010105505).

Almost surely, 2^{220202020211009} is an apocalyptic number.

It is an amenable number.

220202020211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202020211009 is an equidigital number, since it uses as much as digits as its factorization.

220202020211009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 220202020211009 in words is "two hundred twenty trillion, two hundred two billion, twenty million, two hundred eleven thousand, nine".