204022242 has 24 divisors (see below), whose sum is σ = 442404144. Its totient is φ = 67952664.

The previous prime is 204022241. The next prime is 204022267. The reversal of 204022242 is 242220402.

204022242 is a `hidden beast` number, since 20 + 402 + 2 + 242 = 666.

204022242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (204022241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22873 + ... + 30515.

It is an arithmetic number, because the mean of its divisors is an integer number (18433506).

Almost surely, 2^204022242 is an apocalyptic number.

204022242 is an abundant number, since it is smaller than the sum of its proper divisors (238381902).

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

204022242 is a wasteful number, since it uses less digits than its factorization.

204022242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134 (or 9131 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 204022242 is about 14283.6354616043. The cubic root of 204022242 is about 588.6979252628.

Adding to 204022242 its reverse (242220402), we get a palindrome (446242644).

The spelling of 204022242 in words is "two hundred four million, twenty-two thousand, two hundred forty-two".