20202202212193 has 2 divisors, whose sum is σ = 20202202212194. Its totient is φ = 20202202212192.

The previous prime is 20202202212169. The next prime is 20202202212209. The reversal of 20202202212193 is 39121220220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12516538288384 + 7685663923809 = 3537872^2 + 2772303^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202202212193 - 2²⁹ = 20201665341281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202202218193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101101106096 + 10101101106097.

It is an arithmetic number, because the mean of its divisors is an integer number (10101101106097).

Almost surely, 2^{20202202212193} is an apocalyptic number.

It is an amenable number.

20202202212193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202202212193 is an equidigital number, since it uses as much as digits as its factorization.

20202202212193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20202202212193 its reverse (39121220220202), we get a palindrome (59323422432395).

The spelling of 20202202212193 in words is "twenty trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, one hundred ninety-three".