112040020 has 12 divisors (see below), whose sum is σ = 235284084. Its totient is φ = 44816000.

The previous prime is 112040011. The next prime is 112040041. The reversal of 112040020 is 20040211.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 85784644 = 5124^2 + 9262^2 .

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 = 112039979 and 112040006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800981 + ... + 2801020.

It is an arithmetic number, because the mean of its divisors is an integer number (19607007).

Almost surely, 2^112040020 is an apocalyptic number.

112040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112040020 is an abundant number, since it is smaller than the sum of its proper divisors (123244064).

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

112040020 is a wasteful number, since it uses less digits than its factorization.

112040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602010 (or 5602008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 112040020 is about 10584.8958426618. The cubic root of 112040020 is about 482.0858590299.

Adding to 112040020 its reverse (20040211), we get a palindrome (132080231).

The spelling of 112040020 in words is "one hundred twelve million, forty thousand, twenty".