202030189 has 2 divisors, whose sum is σ = 202030190. Its totient is φ = 202030188.

The previous prime is 202030177. The next prime is 202030207. The reversal of 202030189 is 981030202.

202030189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 69388900 = 11517^2 + 8330^2 .

It is a cyclic number.

It is not a de Polignac number, because 202030189 - 2⁷ = 202030061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202030589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101015094 + 101015095.

It is an arithmetic number, because the mean of its divisors is an integer number (101015095).

Almost surely, 2^202030189 is an apocalyptic number.

It is an amenable number.

202030189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202030189 is an equidigital number, since it uses as much as digits as its factorization.

202030189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 202030189 is about 14213.7324091880. The cubic root of 202030189 is about 586.7756592364.

The spelling of 202030189 in words is "two hundred two million, thirty thousand, one hundred eighty-nine".