204068218 has 12 divisors (see below), whose sum is σ = 310045050. Its totient is φ = 100736376.

The previous prime is 204068201. The next prime is 204068231. The reversal of 204068218 is 812860402.

It can be written as a sum of positive squares in only one way, i.e., 195524289 + 8543929 = 13983^2 + 2923^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204068218.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4308 + ... + 20656.

Almost surely, 2^204068218 is an apocalyptic number.

204068218 is a deficient number, since it is larger than the sum of its proper divisors (105976832).

204068218 is an equidigital number, since it uses as much as digits as its factorization.

204068218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509 (or 16430 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 204068218 is about 14285.2447651414. The cubic root of 204068218 is about 588.7421425709.

The spelling of 204068218 in words is "two hundred four million, sixty-eight thousand, two hundred eighteen".