11066420 has 24 divisors (see below), whose sum is σ = 23340744. Its totient is φ = 4407296.

The previous prime is 11066413. The next prime is 11066431. The reversal of 11066420 is 2466011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1653796 + 9412624 = 1286^2 + 3068^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11066392 and 11066401.

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, 4064 + ... + 6216.

It is an arithmetic number, because the mean of its divisors is an integer number (972531).

Almost surely, 2^11066420 is an apocalyptic number.

11066420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11066420 is an abundant number, since it is smaller than the sum of its proper divisors (12274324).

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

11066420 is a wasteful number, since it uses less digits than its factorization.

11066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 11066420 is about 3326.6229122039. The cubic root of 11066420 is about 222.8447376552.

The spelling of 11066420 in words is "eleven million, sixty-six thousand, four hundred twenty".