20320210133189 has 2 divisors, whose sum is σ = 20320210133190. Its totient is φ = 20320210133188.

The previous prime is 20320210133183. The next prime is 20320210133257. The reversal of 20320210133189 is 98133101202302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20289322070689 + 30888062500 = 4504367^2 + 175750^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320210133189 - 2⁴⁴ = 2728024088773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320210133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160105066594 + 10160105066595.

It is an arithmetic number, because the mean of its divisors is an integer number (10160105066595).

Almost surely, 2^{20320210133189} is an apocalyptic number.

It is an amenable number.

20320210133189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320210133189 is an equidigital number, since it uses as much as digits as its factorization.

20320210133189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20320210133189 in words is "twenty trillion, three hundred twenty billion, two hundred ten million, one hundred thirty-three thousand, one hundred eighty-nine".