11200220220 has 48 divisors (see below), whose sum is σ = 35840706048. Its totient is φ = 2560050240.

The previous prime is 11200220189. The next prime is 11200220221. The reversal of 11200220220 is 2202200211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11200220196 and 11200220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13333176 + ... + 13334015.

It is an arithmetic number, because the mean of its divisors is an integer number (746681376).

Almost surely, 2^11200220220 is an apocalyptic number.

11200220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200220220 is an abundant number, since it is smaller than the sum of its proper divisors (24640485828).

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

11200220220 is a wasteful number, since it uses less digits than its factorization.

11200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667210 (or 26667208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11200220220 its reverse (2202200211), we get a palindrome (13402420431).

The spelling of 11200220220 in words is "eleven billion, two hundred million, two hundred twenty thousand, two hundred twenty".