204123244 has 24 divisors (see below), whose sum is σ = 391219920. Its totient is φ = 92612544.

The previous prime is 204123221. The next prime is 204123253. The reversal of 204123244 is 442321402.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30199 + ... + 36334.

It is an arithmetic number, because the mean of its divisors is an integer number (16300830).

Almost surely, 2^204123244 is an apocalyptic number.

It is an amenable number.

204123244 is a deficient number, since it is larger than the sum of its proper divisors (187096676).

204123244 is a wasteful number, since it uses less digits than its factorization.

204123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66609 (or 66607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204123244 is about 14287.1706086265. The cubic root of 204123244 is about 588.7950549647.

Adding to 204123244 its reverse (442321402), we get a palindrome (646444646).

It can be divided in two parts, 20412324 and 4, that multiplied together give a square (81649296 = 9036²).

The spelling of 204123244 in words is "two hundred four million, one hundred twenty-three thousand, two hundred forty-four".