112020720 has 160 divisors (see below), whose sum is σ = 400688640. Its totient is φ = 25359360.

The previous prime is 112020697. The next prime is 112020749. The reversal of 112020720 is 27020211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112020720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219826 + ... + 220334.

It is an arithmetic number, because the mean of its divisors is an integer number (2504304).

Almost surely, 2^112020720 is an apocalyptic number.

112020720 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 112020720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200344320).

112020720 is an abundant number, since it is smaller than the sum of its proper divisors (288667920).

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

112020720 is a wasteful number, since it uses less digits than its factorization.

112020720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 112020720 is about 10583.9841269722. The cubic root of 112020720 is about 482.0581760901.

Adding to 112020720 its reverse (27020211), we get a palindrome (139040931).

The spelling of 112020720 in words is "one hundred twelve million, twenty thousand, seven hundred twenty".