20244105 has 36 divisors (see below), whose sum is σ = 40823172. Its totient is φ = 9253440.

The previous prime is 20244089. The next prime is 20244109. The reversal of 20244105 is 50144202.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 10055241 = 3192^2 + 3171^2 .

It is not a de Polignac number, because 20244105 - 2⁴ = 20244089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20244109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2386 + ... + 6795.

It is an arithmetic number, because the mean of its divisors is an integer number (1133977).

Almost surely, 2^20244105 is an apocalyptic number.

It is an amenable number.

20244105 is an abundant number, since it is smaller than the sum of its proper divisors (20579067).

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

20244105 is a wasteful number, since it uses less digits than its factorization.

20244105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9206 (or 9196 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20244105 is about 4499.3449523236. The cubic root of 20244105 is about 272.5416371581.

Adding to 20244105 its reverse (50144202), we get a palindrome (70388307).

The spelling of 20244105 in words is "twenty million, two hundred forty-four thousand, one hundred five".