11220313032 has 24 divisors (see below), whose sum is σ = 30388347990. Its totient is φ = 3740104320.

The previous prime is 11220312989. The next prime is 11220313081. The reversal of 11220313032 is 23031302211.

It can be written as a sum of positive squares in only one way, i.e., 9090859716 + 2129453316 = 95346^2 + 46146^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 = 11220312996 and 11220313014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77918769 + ... + 77918912.

Almost surely, 2^11220313032 is an apocalyptic number.

11220313032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220313032 is an abundant number, since it is smaller than the sum of its proper divisors (19168034958).

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

11220313032 is a wasteful number, since it uses less digits than its factorization.

11220313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155837693 (or 155837686 counting only the distinct ones).

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

Adding to 11220313032 its reverse (23031302211), we get a palindrome (34251615243).

The spelling of 11220313032 in words is "eleven billion, two hundred twenty million, three hundred thirteen thousand, thirty-two".