204043016 has 8 divisors (see below), whose sum is σ = 382580670. Its totient is φ = 102021504.

The previous prime is 204043013. The next prime is 204043031. The reversal of 204043016 is 610340402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 154902916 + 49140100 = 12446^2 + 7010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (204043013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752681 + ... + 12752696.

Almost surely, 2^204043016 is an apocalyptic number.

It is an amenable number.

204043016 is a deficient number, since it is larger than the sum of its proper divisors (178537654).

204043016 is a wasteful number, since it uses less digits than its factorization.

204043016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505383 (or 25505379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204043016 is about 14284.3626389139. The cubic root of 204043016 is about 588.7179054302.

Adding to 204043016 its reverse (610340402), we get a palindrome (814383418).

The spelling of 204043016 in words is "two hundred four million, forty-three thousand, sixteen".