201020233 has 2 divisors, whose sum is σ = 201020234. Its totient is φ = 201020232.

The previous prime is 201020201. The next prime is 201020249. The reversal of 201020233 is 332020102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173896969 + 27123264 = 13187^2 + 5208^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020233 - 2⁵ = 201020201 is a prime.

It is not a weakly prime, because it can be changed into another prime (201020263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510116 + 100510117.

It is an arithmetic number, because the mean of its divisors is an integer number (100510117).

Almost surely, 2^201020233 is an apocalyptic number.

It is an amenable number.

201020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020233 is an equidigital number, since it uses as much as digits as its factorization.

201020233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 201020233 is about 14178.1604236939. The cubic root of 201020233 is about 585.7962546934.

Adding to 201020233 its reverse (332020102), we get a palindrome (533040335).

The spelling of 201020233 in words is "two hundred one million, twenty thousand, two hundred thirty-three".