11220313320 has 64 divisors (see below), whose sum is σ = 37401048000. Its totient is φ = 2992083264.

The previous prime is 11220313309. The next prime is 11220313373. The reversal of 11220313320 is 2331302211.

11220313320 is a `hidden beast` number, since 1 + 12 + 20 + 313 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11220313293 and 11220313302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5193510 + ... + 5195669.

It is an arithmetic number, because the mean of its divisors is an integer number (584391375).

Almost surely, 2^11220313320 is an apocalyptic number.

11220313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220313320 is an abundant number, since it is smaller than the sum of its proper divisors (26180734680).

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

11220313320 is a wasteful number, since it uses less digits than its factorization.

11220313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389199 (or 10389189 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11220313320 its reverse (2331302211), we get a palindrome (13551615531).

The spelling of 11220313320 in words is "eleven billion, two hundred twenty million, three hundred thirteen thousand, three hundred twenty".