203103330020 has 24 divisors (see below), whose sum is σ = 428750074368. Its totient is φ = 80815983200.

The previous prime is 203103329999. The next prime is 203103330047. The reversal of 203103330020 is 20033301302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26580386 + ... + 26588025.

It is an arithmetic number, because the mean of its divisors is an integer number (17864586432).

Almost surely, 2^203103330020 is an apocalyptic number.

203103330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203103330020 is an abundant number, since it is smaller than the sum of its proper divisors (225646744348).

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

203103330020 is a wasteful number, since it uses less digits than its factorization.

203103330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53168611 (or 53168609 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 203103330020 its reverse (20033301302), we get a palindrome (223136631322).

The spelling of 203103330020 in words is "two hundred three billion, one hundred three million, three hundred thirty thousand, twenty".