11430220 has 24 divisors (see below), whose sum is σ = 24067008. Its totient is φ = 4560000.

The previous prime is 11430203. The next prime is 11430233. The reversal of 11430220 is 2203411.

11430220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11430220.

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, 14640 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (1002792).

Almost surely, 2^11430220 is an apocalyptic number.

11430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430220 is an abundant number, since it is smaller than the sum of its proper divisors (12636788).

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

11430220 is a wasteful number, since it uses less digits than its factorization.

11430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11430220 is about 3380.8608371242. The cubic root of 11430220 is about 225.2604063184.

Adding to 11430220 its reverse (2203411), we get a palindrome (13633631).

The spelling of 11430220 in words is "eleven million, four hundred thirty thousand, two hundred twenty".