203032040 has 32 divisors (see below), whose sum is σ = 476686080. Its totient is φ = 77681472.

The previous prime is 203032013. The next prime is 203032073. The reversal of 203032040 is 40230302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109424 + ... + 111263.

It is an arithmetic number, because the mean of its divisors is an integer number (14896440).

Almost surely, 2^203032040 is an apocalyptic number.

203032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203032040 is an abundant number, since it is smaller than the sum of its proper divisors (273654040).

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

203032040 is a wasteful number, since it uses less digits than its factorization.

203032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220721 (or 220717 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 203032040 is about 14248.9311879874. The cubic root of 203032040 is about 587.7439843711.

Adding to 203032040 its reverse (40230302), we get a palindrome (243262342).

The spelling of 203032040 in words is "two hundred three million, thirty-two thousand, forty".