20112241 has 16 divisors (see below), whose sum is σ = 22757760. Its totient is φ = 17660160.

The previous prime is 20112233. The next prime is 20112251. The reversal of 20112241 is 14221102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20112241 - 2³ = 20112233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112221) 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, 22495 + ... + 23371.

It is an arithmetic number, because the mean of its divisors is an integer number (1422360).

Almost surely, 2^20112241 is an apocalyptic number.

It is an amenable number.

20112241 is a deficient number, since it is larger than the sum of its proper divisors (2645519).

20112241 is a wasteful number, since it uses less digits than its factorization.

20112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20112241 is about 4484.6673232248. The cubic root of 20112241 is about 271.9485962910.

Adding to 20112241 its reverse (14221102), we get a palindrome (34333343).

The spelling of 20112241 in words is "twenty million, one hundred twelve thousand, two hundred forty-one".