204354550530 has 96 divisors (see below), whose sum is σ = 586148799600. Its totient is φ = 49075752960.

The previous prime is 204354550507. The next prime is 204354550541. The reversal of 204354550530 is 35055453402.

204354550530 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 54 + 550 + 53 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1565547489 + 202789003041 = 39567^2 + 450321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2082055 + ... + 2177994.

Almost surely, 2^204354550530 is an apocalyptic number.

204354550530 is an abundant number, since it is smaller than the sum of its proper divisors (381794249070).

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

204354550530 is a wasteful number, since it uses less digits than its factorization.

204354550530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260116 (or 4260113 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 204354550530 in words is "two hundred four billion, three hundred fifty-four million, five hundred fifty thousand, five hundred thirty".