1113332020 has 24 divisors (see below), whose sum is σ = 2439650304. Its totient is φ = 425970336.

The previous prime is 1113332009. The next prime is 1113332021. The reversal of 1113332020 is 202333111.

It is a junction number, because it is equal to n+sod(n) for n = 1113331985 and 1113332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113332021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209684 + ... + 1210603.

It is an arithmetic number, because the mean of its divisors is an integer number (101652096).

Almost surely, 2^1113332020 is an apocalyptic number.

1113332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113332020 is an abundant number, since it is smaller than the sum of its proper divisors (1326318284).

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

1113332020 is a wasteful number, since it uses less digits than its factorization.

1113332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420319 (or 2420317 counting only the distinct ones).

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

The square root of 1113332020 is about 33366.6303363106. The cubic root of 1113332020 is about 1036.4337974036.

Adding to 1113332020 its reverse (202333111), we get a palindrome (1315665131).

The spelling of 1113332020 in words is "one billion, one hundred thirteen million, three hundred thirty-two thousand, twenty".