202020193 has 2 divisors, whose sum is σ = 202020194. Its totient is φ = 202020192.

The previous prime is 202020187. The next prime is 202020253. The reversal of 202020193 is 391020202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105842944 + 96177249 = 10288^2 + 9807^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020193 - 2¹³ = 202012001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202020193.

It is not a weakly prime, because it can be changed into another prime (202020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010096 + 101010097.

It is an arithmetic number, because the mean of its divisors is an integer number (101010097).

Almost surely, 2^202020193 is an apocalyptic number.

It is an amenable number.

202020193 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020193 is an equidigital number, since it uses as much as digits as its factorization.

202020193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 202020193 is about 14213.3807730603. The cubic root of 202020193 is about 586.7659816296.

Adding to 202020193 its reverse (391020202), we get a palindrome (593040395).

The spelling of 202020193 in words is "two hundred two million, twenty thousand, one hundred ninety-three".