Adding to 204404200 its reverse (2404402), we get a palindrome (206808602).
It is a congruent number.
It is an unprimeable number.
Almost surely, 2204404200 is an apocalyptic number.
204404200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 204404200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319354560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204404200 is a wasteful number, since it uses less digits than its factorization.
204404200 is an evil number, because the sum of its binary digits is even.
The square root of 204404200 is about 14296.9996852487. Note that the first 3 decimals coincide. The cubic root of 204404200 is about 589.0650710275.
The spelling of 204404200 in words is "two hundred four million, four hundred four thousand, two hundred".