204302013666 has 16 divisors (see below), whose sum is σ = 408712197600. Its totient is φ = 68082642848.

The previous prime is 204302013637. The next prime is 204302013683. The reversal of 204302013666 is 666310203402.

204302013666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482531 + ... + 4527878.

It is an arithmetic number, because the mean of its divisors is an integer number (25544512350).

Almost surely, 2^204302013666 is an apocalyptic number.

204302013666 is an abundant number, since it is smaller than the sum of its proper divisors (204410183934).

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

204302013666 is a wasteful number, since it uses less digits than its factorization.

204302013666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014193.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 204302013666 in words is "two hundred four billion, three hundred two million, thirteen thousand, six hundred sixty-six".