1103301220 has 48 divisors (see below), whose sum is σ = 2653797888. Its totient is φ = 377435520.

The previous prime is 1103301217. The next prime is 1103301233. The reversal of 1103301220 is 221033011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103301220.

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 15 ways as a sum of consecutive naturals, for example, 56310 + ... + 73330.

It is an arithmetic number, because the mean of its divisors is an integer number (55287456).

Almost surely, 2^1103301220 is an apocalyptic number.

1103301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103301220 is an abundant number, since it is smaller than the sum of its proper divisors (1550496668).

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

1103301220 is a wasteful number, since it uses less digits than its factorization.

1103301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500 (or 17498 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103301220 is about 33215.9783839043. The cubic root of 1103301220 is about 1033.3117458781.

Adding to 1103301220 its reverse (221033011), we get a palindrome (1324334231).

Subtracting from 1103301220 its reverse (221033011), we obtain a square (882268209 = 29703²).

The spelling of 1103301220 in words is "one billion, one hundred three million, three hundred one thousand, two hundred twenty".