11321330220 has 36 divisors (see below), whose sum is σ = 34341368880. Its totient is φ = 3019021344.

The previous prime is 11321330203. The next prime is 11321330243. The reversal of 11321330220 is 2203312311.

11321330220 is a `hidden beast` number, since 11 + 321 + 330 + 2 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 11321330193 and 11321330202.

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, 31447960 + ... + 31448319.

Almost surely, 2^11321330220 is an apocalyptic number.

11321330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321330220 is an abundant number, since it is smaller than the sum of its proper divisors (23020038660).

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

11321330220 is a wasteful number, since it uses less digits than its factorization.

11321330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62896294 (or 62896289 counting only the distinct ones).

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

Adding to 11321330220 its reverse (2203312311), we get a palindrome (13524642531).

The spelling of 11321330220 in words is "eleven billion, three hundred twenty-one million, three hundred thirty thousand, two hundred twenty".