20202102334189 has 2 divisors, whose sum is σ = 20202102334190. Its totient is φ = 20202102334188.

The previous prime is 20202102334187. The next prime is 20202102334243. The reversal of 20202102334189 is 98143320120202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20092653845289 + 109448488900 = 4482483^2 + 330830^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202102334189 - 2¹ = 20202102334187 is a prime.

Together with 20202102334187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202102334181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101051167094 + 10101051167095.

It is an arithmetic number, because the mean of its divisors is an integer number (10101051167095).

Almost surely, 2^{20202102334189} is an apocalyptic number.

It is an amenable number.

20202102334189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202102334189 is an equidigital number, since it uses as much as digits as its factorization.

20202102334189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20202102334189 in words is "twenty trillion, two hundred two billion, one hundred two million, three hundred thirty-four thousand, one hundred eighty-nine".