11200023220 has 12 divisors (see below), whose sum is σ = 23520048804. Its totient is φ = 4480009280.

The previous prime is 11200023151. The next prime is 11200023221. The reversal of 11200023220 is 2232000211.

11200023220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5303626276 + 5896396944 = 72826^2 + 76788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11200023220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280000561 + ... + 280000600.

It is an arithmetic number, because the mean of its divisors is an integer number (1960004067).

Almost surely, 2^11200023220 is an apocalyptic number.

11200023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200023220 is an abundant number, since it is smaller than the sum of its proper divisors (12320025584).

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

11200023220 is a wasteful number, since it uses less digits than its factorization.

11200023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560001170 (or 560001168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11200023220 its reverse (2232000211), we get a palindrome (13432023431).

The spelling of 11200023220 in words is "eleven billion, two hundred million, twenty-three thousand, two hundred twenty".