20310022202189 has 2 divisors, whose sum is σ = 20310022202190. Its totient is φ = 20310022202188.

The previous prime is 20310022202159. The next prime is 20310022202203. The reversal of 20310022202189 is 98120222001302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20194615920964 + 115406281225 = 4493842^2 + 339715^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310022202189 - 2¹² = 20310022198093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20310022202159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155011101094 + 10155011101095.

It is an arithmetic number, because the mean of its divisors is an integer number (10155011101095).

Almost surely, 2^{20310022202189} is an apocalyptic number.

It is an amenable number.

20310022202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20310022202189 is an equidigital number, since it uses as much as digits as its factorization.

20310022202189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 20310022202189 in words is "twenty trillion, three hundred ten billion, twenty-two million, two hundred two thousand, one hundred eighty-nine".