204268842 has 24 divisors (see below), whose sum is σ = 461826144. Its totient is φ = 65129064.

The previous prime is 204268793. The next prime is 204268849. The reversal of 204268842 is 248862402.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 204268797 and 204268806.

It is not an unprimeable number, because it can be changed into a prime (204268849) 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 11 ways as a sum of consecutive naturals, for example, 246288 + ... + 247115.

It is an arithmetic number, because the mean of its divisors is an integer number (19242756).

Almost surely, 2^204268842 is an apocalyptic number.

204268842 is an abundant number, since it is smaller than the sum of its proper divisors (257557302).

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

204268842 is a wasteful number, since it uses less digits than its factorization.

204268842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493434 (or 493431 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 204268842 is about 14292.2651108913. The cubic root of 204268842 is about 588.9350145403.

The spelling of 204268842 in words is "two hundred four million, two hundred sixty-eight thousand, eight hundred forty-two".