20203103112200 has 48 divisors (see below), whose sum is σ = 46973031072660. Its totient is φ = 8081100800000.

The previous prime is 20203103112187. The next prime is 20203103112217. The reversal of 20203103112200 is 221130130202.

It can be written as a sum of positive squares in 6 ways, for example, as 13776137870884 + 6426965241316 = 3711622^2 + 2535146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11064200 + ... + 12760200.

Almost surely, 2^{20203103112200} is an apocalyptic number.

20203103112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203103112200 is an abundant number, since it is smaller than the sum of its proper divisors (26769927960460).

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

20203103112200 is a wasteful number, since it uses less digits than its factorization.

20203103112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755578 (or 1755569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20203103112200 its reverse (221130130202), we get a palindrome (20424233242402).

The spelling of 20203103112200 in words is "twenty trillion, two hundred three billion, one hundred three million, one hundred twelve thousand, two hundred".