203103032240 has 20 divisors (see below), whose sum is σ = 472214550144. Its totient is φ = 81241212864.

The previous prime is 203103032219. The next prime is 203103032269. The reversal of 203103032240 is 42230301302.

203103032240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269393872 + ... + 1269394031.

Almost surely, 2^203103032240 is an apocalyptic number.

203103032240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203103032240 is an abundant number, since it is smaller than the sum of its proper divisors (269111517904).

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

203103032240 is a wasteful number, since it uses less digits than its factorization.

203103032240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538787916 (or 2538787910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203103032240 its reverse (42230301302), we get a palindrome (245333333542).

The spelling of 203103032240 in words is "two hundred three billion, one hundred three million, thirty-two thousand, two hundred forty".