204605065550 has 24 divisors (see below), whose sum is σ = 381359966400. Its totient is φ = 81671156480.

The previous prime is 204605065531. The next prime is 204605065607. The reversal of 204605065550 is 55560506402.

It is a happy number.

204605065550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4247555 + ... + 4295454.

It is an arithmetic number, because the mean of its divisors is an integer number (15889998600).

Almost surely, 2^204605065550 is an apocalyptic number.

204605065550 is a deficient number, since it is larger than the sum of its proper divisors (176754900850).

204605065550 is a wasteful number, since it uses less digits than its factorization.

204605065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543500 (or 8543495 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 204605065550 in words is "two hundred four billion, six hundred five million, sixty-five thousand, five hundred fifty".