2020222091189 has 2 divisors, whose sum is σ = 2020222091190. Its totient is φ = 2020222091188.

The previous prime is 2020222091159. The next prime is 2020222091213. The reversal of 2020222091189 is 9811902220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1527757800625 + 492464290564 = 1236025^2 + 701758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020222091189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020222091159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010111045594 + 1010111045595.

It is an arithmetic number, because the mean of its divisors is an integer number (1010111045595).

Almost surely, 2^{2020222091189} is an apocalyptic number.

It is an amenable number.

2020222091189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020222091189 is an equidigital number, since it uses as much as digits as its factorization.

2020222091189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 2020222091189 in words is "two trillion, twenty billion, two hundred twenty-two million, ninety-one thousand, one hundred eighty-nine".