20022011189 has 2 divisors, whose sum is σ = 20022011190. Its totient is φ = 20022011188.

The previous prime is 20022011173. The next prime is 20022011201. The reversal of 20022011189 is 98111022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13217411089 + 6804600100 = 114967^2 + 82490^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022011189 - 2⁴ = 20022011173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022010189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011005594 + 10011005595.

It is an arithmetic number, because the mean of its divisors is an integer number (10011005595).

Almost surely, 2^20022011189 is an apocalyptic number.

It is an amenable number.

20022011189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022011189 is an equidigital number, since it uses as much as digits as its factorization.

20022011189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 20022011189 in words is "twenty billion, twenty-two million, eleven thousand, one hundred eighty-nine".