204230430666 has 24 divisors (see below), whose sum is σ = 461738365920. Its totient is φ = 65116948776.

The previous prime is 204230430637. The next prime is 204230430671. The reversal of 204230430666 is 666034032402.

It is a self number, because there is not a number n which added to its sum of digits gives 204230430666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246654696 + ... + 246655523.

It is an arithmetic number, because the mean of its divisors is an integer number (19239098580).

Almost surely, 2^204230430666 is an apocalyptic number.

204230430666 is an abundant number, since it is smaller than the sum of its proper divisors (257507935254).

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

204230430666 is a wasteful number, since it uses less digits than its factorization.

204230430666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493310250 (or 493310247 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 204230430666 in words is "two hundred four billion, two hundred thirty million, four hundred thirty thousand, six hundred sixty-six".