20220019217 has 2 divisors, whose sum is σ = 20220019218. Its totient is φ = 20220019216.

The previous prime is 20220019163. The next prime is 20220019219. The reversal of 20220019217 is 71291002202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16057704961 + 4162314256 = 126719^2 + 64516^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220019217 - 2⁸ = 20220018961 is a prime.

Together with 20220019219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20220019219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110009608 + 10110009609.

It is an arithmetic number, because the mean of its divisors is an integer number (10110009609).

Almost surely, 2^20220019217 is an apocalyptic number.

It is an amenable number.

20220019217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220019217 is an equidigital number, since it uses as much as digits as its factorization.

20220019217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 20220019217 in words is "twenty billion, two hundred twenty million, nineteen thousand, two hundred seventeen".