11328220 has 24 divisors (see below), whose sum is σ = 24240384. Its totient is φ = 4445376.

The previous prime is 11328211. The next prime is 11328271. The reversal of 11328220 is 2282311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4284 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (1010016).

Almost surely, 2^11328220 is an apocalyptic number.

11328220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11328220 is an abundant number, since it is smaller than the sum of its proper divisors (12912164).

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

11328220 is a wasteful number, since it uses less digits than its factorization.

11328220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10749 (or 10747 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11328220 is about 3365.7421172752. The cubic root of 11328220 is about 224.5883502042.

The spelling of 11328220 in words is "eleven million, three hundred twenty-eight thousand, two hundred twenty".