204224120 has 32 divisors (see below), whose sum is σ = 461153520. Its totient is φ = 81396480.

The previous prime is 204224101. The next prime is 204224129. The reversal of 204224120 is 21422402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204224129) 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 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 20340.

Almost surely, 2^204224120 is an apocalyptic number.

204224120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204224120 is an abundant number, since it is smaller than the sum of its proper divisors (256929400).

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

204224120 is a wasteful number, since it uses less digits than its factorization.

204224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335 (or 18331 counting only the distinct ones).

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

The square root of 204224120 is about 14290.7004726850. The cubic root of 204224120 is about 588.8920315221.

Adding to 204224120 its reverse (21422402), we get a palindrome (225646522).

It can be divided in two parts, 20422 and 4120, that added together give a palindrome (24542).

The spelling of 204224120 in words is "two hundred four million, two hundred twenty-four thousand, one hundred twenty".