204054321 has 16 divisors (see below), whose sum is σ = 285659136. Its totient is φ = 129316176.

The previous prime is 204054311. The next prime is 204054359. The reversal of 204054321 is 123450402.

204054321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204054321 - 2⁵ = 204054289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204054311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2176 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (17853696).

Almost surely, 2^204054321 is an apocalyptic number.

It is an amenable number.

204054321 is a deficient number, since it is larger than the sum of its proper divisors (81604815).

204054321 is a wasteful number, since it uses less digits than its factorization.

204054321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204054321 is about 14284.7583458734. The cubic root of 204054321 is about 588.7287778648.

The spelling of 204054321 in words is "two hundred four million, fifty-four thousand, three hundred twenty-one".