111560020 has 96 divisors (see below), whose sum is σ = 289860480. Its totient is φ = 35458560.

The previous prime is 111560011. The next prime is 111560023. The reversal of 111560020 is 20065111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111559976 and 111560003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111560023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53314 + ... + 55366.

It is an arithmetic number, because the mean of its divisors is an integer number (3019380).

Almost surely, 2^111560020 is an apocalyptic number.

111560020 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 111560020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144930240).

111560020 is an abundant number, since it is smaller than the sum of its proper divisors (178300460).

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

111560020 is a wasteful number, since it uses less digits than its factorization.

111560020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111560020 is about 10562.1976879814. The cubic root of 111560020 is about 481.3964254502.

The spelling of 111560020 in words is "one hundred eleven million, five hundred sixty thousand, twenty".