235220133 has 16 divisors (see below), whose sum is σ = 333227520. Its totient is φ = 147167856.

The previous prime is 235220093. The next prime is 235220203. The reversal of 235220133 is 331022532.

It is not a de Polignac number, because 235220133 - 2¹⁰ = 235219109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235220233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13185 + ... + 25382.

It is an arithmetic number, because the mean of its divisors is an integer number (20826720).

Almost surely, 2^235220133 is an apocalyptic number.

It is an amenable number.

235220133 is a deficient number, since it is larger than the sum of its proper divisors (98007387).

235220133 is a wasteful number, since it uses less digits than its factorization.

235220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38696.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 235220133 is about 15336.8879828993. The cubic root of 235220133 is about 617.2932059545.

Adding to 235220133 its reverse (331022532), we get a palindrome (566242665).

The spelling of 235220133 in words is "two hundred thirty-five million, two hundred twenty thousand, one hundred thirty-three".