220736189 has 2 divisors, whose sum is σ = 220736190. Its totient is φ = 220736188.

The previous prime is 220736183. The next prime is 220736203. The reversal of 220736189 is 981637022.

220736189 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., 218892025 + 1844164 = 14795^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 220736189 - 2¹² = 220732093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220736183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110368094 + 110368095.

It is an arithmetic number, because the mean of its divisors is an integer number (110368095).

Almost surely, 2^220736189 is an apocalyptic number.

It is an amenable number.

220736189 is a deficient number, since it is larger than the sum of its proper divisors (1).

220736189 is an equidigital number, since it uses as much as digits as its factorization.

220736189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 220736189 is about 14857.1931736785. The cubic root of 220736189 is about 604.3536927083.

The spelling of 220736189 in words is "two hundred twenty million, seven hundred thirty-six thousand, one hundred eighty-nine".