204022142 has 8 divisors (see below), whose sum is σ = 306336600. Its totient is φ = 101909944.

The previous prime is 204022141. The next prime is 204022157. The reversal of 204022142 is 241220402.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 204022142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022141) 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, 48017 + ... + 52092.

It is an arithmetic number, because the mean of its divisors is an integer number (38292075).

Almost surely, 2^204022142 is an apocalyptic number.

204022142 is a deficient number, since it is larger than the sum of its proper divisors (102314458).

204022142 is a wasteful number, since it uses less digits than its factorization.

204022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101130.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204022142 is about 14283.6319610945. The cubic root of 204022142 is about 588.6978290808.

Adding to 204022142 its reverse (241220402), we get a palindrome (445242544).

The spelling of 204022142 in words is "two hundred four million, twenty-two thousand, one hundred forty-two".