20044232 has 32 divisors (see below), whose sum is σ = 41575800. Its totient is φ = 8999424.

The previous prime is 20044187. The next prime is 20044237. The reversal of 20044232 is 23244002.

It can be written as a sum of positive squares in 4 ways, for example, as 20016676 + 27556 = 4474^2 + 166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20044232.

It is not an unprimeable number, because it can be changed into a prime (20044237) 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, 1244 + ... + 6452.

Almost surely, 2^20044232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20044232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20787900).

20044232 is an abundant number, since it is smaller than the sum of its proper divisors (21531568).

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

20044232 is a wasteful number, since it uses less digits than its factorization.

20044232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265 (or 5261 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20044232 is about 4477.0785117083. The cubic root of 20044232 is about 271.6417211884.

Adding to 20044232 its reverse (23244002), we get a palindrome (43288234).

The spelling of 20044232 in words is "twenty million, forty-four thousand, two hundred thirty-two".