11200203020 has 24 divisors (see below), whose sum is σ = 23642301984. Its totient is φ = 4456866816.

The previous prime is 11200203017. The next prime is 11200203031. The reversal of 11200203020 is 2030200211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11200202992 and 11200203010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446944 + ... + 1454663.

It is an arithmetic number, because the mean of its divisors is an integer number (985095916).

Almost surely, 2^11200203020 is an apocalyptic number.

11200203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200203020 is an abundant number, since it is smaller than the sum of its proper divisors (12442098964).

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

11200203020 is a wasteful number, since it uses less digits than its factorization.

11200203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901809 (or 2901807 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 11200203020 its reverse (2030200211), we get a palindrome (13230403231).

The spelling of 11200203020 in words is "eleven billion, two hundred million, two hundred three thousand, twenty".