112020 has 24 divisors (see below), whose sum is σ = 313824. Its totient is φ = 29856.

The previous prime is 112019. The next prime is 112031. The reversal of 112020 is 20211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (13076).

2¹¹²⁰²⁰ is an apocalyptic number.

112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020 is an abundant number, since it is smaller than the sum of its proper divisors (201804).

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

112020 is a wasteful number, since it uses less digits than its factorization.

112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 112020 is about 334.6938899950. The cubic root of 112020 is about 48.2057143297.

Adding to 112020 its reverse (20211), we get a palindrome (132231).

Subtracting from 112020 its reverse (20211), we obtain a square (91809 = 303²).

It can be divided in two parts, 1 and 12020, that added together give a palindrome (12021).

The spelling of 112020 in words is "one hundred twelve thousand, twenty", and thus it is an iban number.