1113110020 has 48 divisors (see below), whose sum is σ = 2700044928. Its totient is φ = 380956160.

The previous prime is 1113109981. The next prime is 1113110021. The reversal of 1113110020 is 200113111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1113109979 and 1113110006.

It is not an unprimeable number, because it can be changed into a prime (1113110021) by changing a digit.

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, 145072 + ... + 152551.

It is an arithmetic number, because the mean of its divisors is an integer number (56250936).

Almost surely, 2^1113110020 is an apocalyptic number.

1113110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113110020 is an abundant number, since it is smaller than the sum of its proper divisors (1586934908).

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

1113110020 is a wasteful number, since it uses less digits than its factorization.

1113110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297660 (or 297658 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1113110020 is about 33363.3034935092. The cubic root of 1113110020 is about 1036.3649040295.

Adding to 1113110020 its reverse (200113111), we get a palindrome (1313223131).

The spelling of 1113110020 in words is "one billion, one hundred thirteen million, one hundred ten thousand, twenty".