11630220 has 48 divisors (see below), whose sum is σ = 37218048. Its totient is φ = 2658240.

The previous prime is 11630219. The next prime is 11630233. The reversal of 11630220 is 2203611.

11630220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11630220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13426 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (775376).

Almost surely, 2^11630220 is an apocalyptic number.

11630220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11630220 is an abundant number, since it is smaller than the sum of its proper divisors (25587828).

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

11630220 is a wasteful number, since it uses less digits than its factorization.

11630220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27710 (or 27708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11630220 is about 3410.3108362728. The cubic root of 11630220 is about 226.5666465670.

Adding to 11630220 its reverse (2203611), we get a palindrome (13833831).

The spelling of 11630220 in words is "eleven million, six hundred thirty thousand, two hundred twenty".