22002020189 has 2 divisors, whose sum is σ = 22002020190. Its totient is φ = 22002020188.

The previous prime is 22002020171. The next prime is 22002020203. The reversal of 22002020189 is 98102020022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16892200900 + 5109819289 = 129970^2 + 71483^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002020189 - 2³² = 17707052893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002028189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001010094 + 11001010095.

It is an arithmetic number, because the mean of its divisors is an integer number (11001010095).

Almost surely, 2^22002020189 is an apocalyptic number.

It is an amenable number.

22002020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002020189 is an equidigital number, since it uses as much as digits as its factorization.

22002020189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22002020189 in words is "twenty-two billion, two million, twenty thousand, one hundred eighty-nine".