203200240 has 40 divisors (see below), whose sum is σ = 475639200. Its totient is φ = 80729856.

The previous prime is 203200237. The next prime is 203200253. The reversal of 203200240 is 42002302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 203200240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 20443.

It is an arithmetic number, because the mean of its divisors is an integer number (11890980).

Almost surely, 2^203200240 is an apocalyptic number.

203200240 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 203200240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237819600).

203200240 is an abundant number, since it is smaller than the sum of its proper divisors (272438960).

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

203200240 is a wasteful number, since it uses less digits than its factorization.

203200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17209 (or 17203 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 203200240 is about 14254.8321631649. The cubic root of 203200240 is about 587.9062432461.

Adding to 203200240 its reverse (42002302), we get a palindrome (245202542).

The spelling of 203200240 in words is "two hundred three million, two hundred thousand, two hundred forty".