204021158 has 8 divisors (see below), whose sum is σ = 333852840. Its totient is φ = 92736880.

The previous prime is 204021151. The next prime is 204021163. The reversal of 204021158 is 851120402.

204021158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021151) by changing a digit.

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, 4636823 + ... + 4636866.

It is an arithmetic number, because the mean of its divisors is an integer number (41731605).

Almost surely, 2^204021158 is an apocalyptic number.

204021158 is a deficient number, since it is larger than the sum of its proper divisors (129831682).

204021158 is a wasteful number, since it uses less digits than its factorization.

204021158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273702.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 204021158 is about 14283.5975160322. The cubic root of 204021158 is about 588.6968826483.

The spelling of 204021158 in words is "two hundred four million, twenty-one thousand, one hundred fifty-eight".