Adding to 204102 its reverse (201402), we get a palindrome (405504).
204102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
2204102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 204102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204102 is a wasteful number, since it uses less digits than its factorization.
204102 is an odious number, because the sum of its binary digits is odd.
The square root of 204102 is about 451.7764934124. The cubic root of 204102 is about 58.8774628096.
The spelling of 204102 in words is "two hundred four thousand, one hundred two", and thus it is an iban number.