11331020 has 12 divisors (see below), whose sum is σ = 23795184. Its totient is φ = 4532400.

The previous prime is 11331007. The next prime is 11331031. The reversal of 11331020 is 2013311.

It is a junction number, because it is equal to n+sod(n) for n = 11330992 and 11331010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283256 + ... + 283295.

It is an arithmetic number, because the mean of its divisors is an integer number (1982932).

Almost surely, 2^11331020 is an apocalyptic number.

11331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331020 is an abundant number, since it is smaller than the sum of its proper divisors (12464164).

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

11331020 is a wasteful number, since it uses less digits than its factorization.

11331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566560 (or 566558 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11331020 is about 3366.1580473887. The cubic root of 11331020 is about 224.6068525395.

Adding to 11331020 its reverse (2013311), we get a palindrome (13344331).

The spelling of 11331020 in words is "eleven million, three hundred thirty-one thousand, twenty".