20111130200 has 48 divisors (see below), whose sum is σ = 53438149680. Its totient is φ = 6895244160.

The previous prime is 20111130191. The next prime is 20111130217. The reversal of 20111130200 is 203111102.

It is a congruent number.

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, 7181147 + ... + 7183946.

It is an arithmetic number, because the mean of its divisors is an integer number (1113294785).

Almost surely, 2^20111130200 is an apocalyptic number.

20111130200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111130200 is an abundant number, since it is smaller than the sum of its proper divisors (33327019480).

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

20111130200 is a wasteful number, since it uses less digits than its factorization.

20111130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365116 (or 14365107 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20111130200 its reverse (203111102), we get a palindrome (20314241302).

The spelling of 20111130200 in words is "twenty billion, one hundred eleven million, one hundred thirty thousand, two hundred".