204258066 has 8 divisors (see below), whose sum is σ = 408516144. Its totient is φ = 68086020.

The previous prime is 204258031. The next prime is 204258079. The reversal of 204258066 is 660852402.

It is a sphenic number, since it is the product of 3 distinct primes.

204258066 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17021500 + ... + 17021511.

It is an arithmetic number, because the mean of its divisors is an integer number (51064518).

Almost surely, 2^204258066 is an apocalyptic number.

204258066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204258066 is a wasteful number, since it uses less digits than its factorization.

204258066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34043016.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 204258066 is about 14291.8881187896. Note that the first 3 decimals coincide. The cubic root of 204258066 is about 588.9246581308.

The spelling of 204258066 in words is "two hundred four million, two hundred fifty-eight thousand, sixty-six".