204240235 has 4 divisors (see below), whose sum is σ = 245088288. Its totient is φ = 163392184.

The previous prime is 204240221. The next prime is 204240263. The reversal of 204240235 is 532042402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204240235 - 2²¹ = 202143083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20424019 + ... + 20424028.

It is an arithmetic number, because the mean of its divisors is an integer number (61272072).

Almost surely, 2^204240235 is an apocalyptic number.

204240235 is a deficient number, since it is larger than the sum of its proper divisors (40848053).

204240235 is an equidigital number, since it uses as much as digits as its factorization.

204240235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40848052.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 204240235 is about 14291.2642897681. The cubic root of 204240235 is about 588.9075206254.

Adding to 204240235 its reverse (532042402), we get a palindrome (736282637).

The spelling of 204240235 in words is "two hundred four million, two hundred forty thousand, two hundred thirty-five".