1113310220 has 48 divisors (see below), whose sum is σ = 2557245600. Its totient is φ = 403768320.

The previous prime is 1113310201. The next prime is 1113310243. The reversal of 1113310220 is 220133111.

It is a junction number, because it is equal to n+sod(n) for n = 1113310195 and 1113310204.

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, 79076 + ... + 92084.

It is an arithmetic number, because the mean of its divisors is an integer number (53275950).

Almost surely, 2^1113310220 is an apocalyptic number.

1113310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278622800).

1113310220 is an abundant number, since it is smaller than the sum of its proper divisors (1443935380).

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

1113310220 is a wasteful number, since it uses less digits than its factorization.

1113310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13418 (or 13416 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1113310220 is about 33366.3036610290. The cubic root of 1113310220 is about 1036.4270326039.

Adding to 1113310220 its reverse (220133111), we get a palindrome (1333443331).

The spelling of 1113310220 in words is "one billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty".