11204420 has 12 divisors (see below), whose sum is σ = 23529324. Its totient is φ = 4481760.

The previous prime is 11204407. The next prime is 11204449. The reversal of 11204420 is 2440211.

It can be written as a sum of positive squares in 2 ways, for example, as 6390784 + 4813636 = 2528^2 + 2194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11204395 and 11204404.

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, 280091 + ... + 280130.

It is an arithmetic number, because the mean of its divisors is an integer number (1960777).

Almost surely, 2^11204420 is an apocalyptic number.

11204420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11204420 is an abundant number, since it is smaller than the sum of its proper divisors (12324904).

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

11204420 is a wasteful number, since it uses less digits than its factorization.

11204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560230 (or 560228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11204420 is about 3347.3004048038. The cubic root of 11204420 is about 223.7672167188.

Adding to 11204420 its reverse (2440211), we get a palindrome (13644631).

The spelling of 11204420 in words is "eleven million, two hundred four thousand, four hundred twenty".