204042236 has 6 divisors (see below), whose sum is σ = 357073920. Its totient is φ = 102021116.

The previous prime is 204042233. The next prime is 204042263. The reversal of 204042236 is 632240402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204042233) 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, 25505276 + ... + 25505283.

It is an arithmetic number, because the mean of its divisors is an integer number (59512320).

Almost surely, 2^204042236 is an apocalyptic number.

It is an amenable number.

204042236 is a deficient number, since it is larger than the sum of its proper divisors (153031684).

204042236 is a wasteful number, since it uses less digits than its factorization.

204042236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010563 (or 51010561 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204042236 is about 14284.3353363046. The cubic root of 204042236 is about 588.7171552607.

Adding to 204042236 its reverse (632240402), we get a palindrome (836282638).

The spelling of 204042236 in words is "two hundred four million, forty-two thousand, two hundred thirty-six".