204424436 has 12 divisors (see below), whose sum is σ = 358290240. Its totient is φ = 102055800.

The previous prime is 204424427. The next prime is 204424469. The reversal of 204424436 is 634424402.

204424436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204424399 and 204424408.

It is a congruent 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, 36140 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (29857520).

Almost surely, 2^204424436 is an apocalyptic number.

It is an amenable number.

204424436 is a deficient number, since it is larger than the sum of its proper divisors (153865804).

204424436 is a wasteful number, since it uses less digits than its factorization.

204424436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78214 (or 78212 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 204424436 is about 14297.7073686658. The cubic root of 204424436 is about 589.0845095182.

Adding to 204424436 its reverse (634424402), we get a palindrome (838848838).

The spelling of 204424436 in words is "two hundred four million, four hundred twenty-four thousand, four hundred thirty-six".