20123303020189 has 2 divisors, whose sum is σ = 20123303020190. Its totient is φ = 20123303020188.

The previous prime is 20123303020151. The next prime is 20123303020253. The reversal of 20123303020189 is 98102030332102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13851869676100 + 6271433344089 = 3721810^2 + 2504283^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123303020189 - 2¹¹ = 20123303018141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20123303020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061651510094 + 10061651510095.

It is an arithmetic number, because the mean of its divisors is an integer number (10061651510095).

Almost surely, 2^{20123303020189} is an apocalyptic number.

It is an amenable number.

20123303020189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123303020189 is an equidigital number, since it uses as much as digits as its factorization.

20123303020189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 20123303020189 in words is "twenty trillion, one hundred twenty-three billion, three hundred three million, twenty thousand, one hundred eighty-nine".