1103133220 has 24 divisors (see below), whose sum is σ = 2647520064. Its totient is φ = 378217056.

The previous prime is 1103133209. The next prime is 1103133253. The reversal of 1103133220 is 223313011.

1103133220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1103133194 and 1103133203.

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, 3939622 + ... + 3939901.

It is an arithmetic number, because the mean of its divisors is an integer number (110313336).

Almost surely, 2^1103133220 is an apocalyptic number.

1103133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103133220 is an abundant number, since it is smaller than the sum of its proper divisors (1544386844).

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

1103133220 is a wasteful number, since it uses less digits than its factorization.

1103133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879539 (or 7879537 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1103133220 is about 33213.4493842479. The cubic root of 1103133220 is about 1033.2592956550.

Adding to 1103133220 its reverse (223313011), we get a palindrome (1326446231).

The spelling of 1103133220 in words is "one billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty".