204730569 has 12 divisors (see below), whose sum is σ = 296875956. Its totient is φ = 135954432.

The previous prime is 204730553. The next prime is 204730571. The reversal of 204730569 is 965037402.

204730569 is a `hidden beast` number, since 20 + 4 + 73 + 0 + 569 = 666.

204730569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191684025 + 13046544 = 13845^2 + 3612^2 .

It is not a de Polignac number, because 204730569 - 2⁴ = 204730553 is a prime.

It is a super-3 number, since 3×204730569³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204730549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41944 + ... + 46569.

It is an arithmetic number, because the mean of its divisors is an integer number (24739663).

Almost surely, 2^204730569 is an apocalyptic number.

It is an amenable number.

204730569 is a deficient number, since it is larger than the sum of its proper divisors (92145387).

204730569 is a wasteful number, since it uses less digits than its factorization.

204730569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88776 (or 88773 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 204730569 is about 14308.4090310558. The cubic root of 204730569 is about 589.3784213184.

The spelling of 204730569 in words is "two hundred four million, seven hundred thirty thousand, five hundred sixty-nine".