Adding to 203420 its reverse (24302), we get a palindrome (227722).
203420 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.
2203420 is an apocalyptic number.
203420 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
203420 is a wasteful number, since it uses less digits than its factorization.
203420 is an odious number, because the sum of its binary digits is odd.
The square root of 203420 is about 451.0210638097. The cubic root of 203420 is about 58.8118106067.
The spelling of 203420 in words is "two hundred three thousand, four hundred twenty", and thus it is an iban number.