11256020 has 24 divisors (see below), whose sum is σ = 24040800. Its totient is φ = 4425632.

The previous prime is 11256019. The next prime is 11256041. The reversal of 11256020 is 2065211.

It is a self number, because there is not a number n which added to its sum of digits gives 11256020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3590 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^11256020 is an apocalyptic number.

11256020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11256020 is an abundant number, since it is smaller than the sum of its proper divisors (12784780).

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

11256020 is a wasteful number, since it uses less digits than its factorization.

11256020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607 (or 9605 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11256020 is about 3354.9992548434. Note that the first 3 decimals coincide. The cubic root of 11256020 is about 224.1101976922.

The spelling of 11256020 in words is "eleven million, two hundred fifty-six thousand, twenty".