204650012 has 24 divisors (see below), whose sum is σ = 433377504. Its totient is φ = 82547712.

The previous prime is 204650011. The next prime is 204650023. The reversal of 204650012 is 210056402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204650011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214493 + ... + 215444.

It is an arithmetic number, because the mean of its divisors is an integer number (18057396).

Almost surely, 2^204650012 is an apocalyptic number.

It is an amenable number.

204650012 is an abundant number, since it is smaller than the sum of its proper divisors (228727492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204650012 is a wasteful number, since it uses less digits than its factorization.

204650012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429965 (or 429963 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204650012 is about 14305.5937311249. The cubic root of 204650012 is about 589.3011086723.

The spelling of 204650012 in words is "two hundred four million, six hundred fifty thousand, twelve".