204021244 has 24 divisors (see below), whose sum is σ = 409852800. Its totient is φ = 87049776.

The previous prime is 204021241. The next prime is 204021253. The reversal of 204021244 is 442120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9694 + ... + 22405.

It is an arithmetic number, because the mean of its divisors is an integer number (17077200).

Almost surely, 2^204021244 is an apocalyptic number.

It is an amenable number.

204021244 is an abundant number, since it is smaller than the sum of its proper divisors (205831556).

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

204021244 is a wasteful number, since it uses less digits than its factorization.

204021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32337 (or 32335 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 204021244 is about 14283.6005264779. The cubic root of 204021244 is about 588.6969653651.

Adding to 204021244 its reverse (442120402), we get a palindrome (646141646).

The spelling of 204021244 in words is "two hundred four million, twenty-one thousand, two hundred forty-four".