204316436 has 12 divisors (see below), whose sum is σ = 362080320. Its totient is φ = 100864920.

The previous prime is 204316423. The next prime is 204316451. The reversal of 204316436 is 634613402.

204316436 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 = 204316399 and 204316408.

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, 322970 + ... + 323601.

It is an arithmetic number, because the mean of its divisors is an integer number (30173360).

Almost surely, 2^204316436 is an apocalyptic number.

It is an amenable number.

204316436 is a deficient number, since it is larger than the sum of its proper divisors (157763884).

204316436 is a wasteful number, since it uses less digits than its factorization.

204316436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646654 (or 646652 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 204316436 is about 14293.9300404053. The cubic root of 204316436 is about 588.9807509926.

Adding to 204316436 its reverse (634613402), we get a palindrome (838929838).

The spelling of 204316436 in words is "two hundred four million, three hundred sixteen thousand, four hundred thirty-six".