20414244 has 24 divisors (see below), whose sum is σ = 49170688. Its totient is φ = 6585120.

The previous prime is 20414243. The next prime is 20414257. The reversal of 20414244 is 44241402.

It is a self number, because there is not a number n which added to its sum of digits gives 20414244.

It is not an unprimeable number, because it can be changed into a prime (20414243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27067 + ... + 27810.

Almost surely, 2^20414244 is an apocalyptic number.

It is an amenable number.

20414244 is an abundant number, since it is smaller than the sum of its proper divisors (28756444).

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

20414244 is a wasteful number, since it uses less digits than its factorization.

20414244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54915 (or 54913 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 20414244 is about 4518.2124784034. The cubic root of 20414244 is about 273.3030219544.

Adding to 20414244 its reverse (44241402), we get a palindrome (64655646).

The spelling of 20414244 in words is "twenty million, four hundred fourteen thousand, two hundred forty-four".