111324020 has 48 divisors (see below), whose sum is σ = 240786000. Its totient is φ = 43207680.

The previous prime is 111324019. The next prime is 111324029. The reversal of 111324020 is 20423111.

It can be written as a sum of positive squares in 8 ways, for example, as 14577124 + 96746896 = 3818^2 + 9836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111323986 and 111324004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111324029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285986 + ... + 286374.

It is an arithmetic number, because the mean of its divisors is an integer number (5016375).

Almost surely, 2^111324020 is an apocalyptic number.

111324020 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 111324020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120393000).

111324020 is an abundant number, since it is smaller than the sum of its proper divisors (129461980).

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

111324020 is a wasteful number, since it uses less digits than its factorization.

111324020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111324020 is about 10551.0198559191. The cubic root of 111324020 is about 481.0567285988.

Adding to 111324020 its reverse (20423111), we get a palindrome (131747131).

Subtracting from 111324020 its reverse (20423111), we obtain a palindrome (90900909).

The spelling of 111324020 in words is "one hundred eleven million, three hundred twenty-four thousand, twenty".