220112424 has 64 divisors (see below), whose sum is σ = 698774400. Its totient is φ = 62888832.

The previous prime is 220112423. The next prime is 220112443. The reversal of 220112424 is 424211022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220112397 and 220112406.

It is not an unprimeable number, because it can be changed into a prime (220112423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71277 + ... + 74300.

It is an arithmetic number, because the mean of its divisors is an integer number (10918350).

Almost surely, 2^220112424 is an apocalyptic number.

220112424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220112424 is an abundant number, since it is smaller than the sum of its proper divisors (478661976).

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

220112424 is a wasteful number, since it uses less digits than its factorization.

220112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145599 (or 145589 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220112424 is about 14836.1863024161. The cubic root of 220112424 is about 603.7838868368.

Adding to 220112424 its reverse (424211022), we get a palindrome (644323446).

The spelling of 220112424 in words is "two hundred twenty million, one hundred twelve thousand, four hundred twenty-four".