204678330 has 32 divisors (see below), whose sum is σ = 494987328. Its totient is φ = 54163200.

The previous prime is 204678307. The next prime is 204678343. The reversal of 204678330 is 33876402.

It is a junction number, because it is equal to n+sod(n) for n = 204678291 and 204678300.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22111 + ... + 29970.

It is an arithmetic number, because the mean of its divisors is an integer number (15468354).

Almost surely, 2^204678330 is an apocalyptic number.

204678330 is an abundant number, since it is smaller than the sum of its proper divisors (290308998).

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

204678330 is a wasteful number, since it uses less digits than its factorization.

204678330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52222.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 204678330 is about 14306.5834495871. The cubic root of 204678330 is about 589.3282885048.

The spelling of 204678330 in words is "two hundred four million, six hundred seventy-eight thousand, three hundred thirty".