203400200 has 48 divisors (see below), whose sum is σ = 489226500. Its totient is φ = 78552320.

The previous prime is 203400181. The next prime is 203400203. The reversal of 203400200 is 2004302.

It can be written as a sum of positive squares in 6 ways, for example, as 143089444 + 60310756 = 11962^2 + 7766^2 .

It is not an unprimeable number, because it can be changed into a prime (203400203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11735 + ... + 23334.

Almost surely, 2^203400200 is an apocalyptic number.

203400200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203400200 is an abundant number, since it is smaller than the sum of its proper divisors (285826300).

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

203400200 is a wasteful number, since it uses less digits than its factorization.

203400200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35114 (or 35105 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 203400200 is about 14261.8442005233. The cubic root of 203400200 is about 588.0990238459.

Adding to 203400200 its reverse (2004302), we get a palindrome (205404502).

The spelling of 203400200 in words is "two hundred three million, four hundred thousand, two hundred".