20024844 has 96 divisors (see below), whose sum is σ = 58222080. Its totient is φ = 5225472.

The previous prime is 20024839. The next prime is 20024857. The reversal of 20024844 is 44842002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52647 + ... + 53025.

It is an arithmetic number, because the mean of its divisors is an integer number (606480).

Almost surely, 2^20024844 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 20024844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29111040).

20024844 is an abundant number, since it is smaller than the sum of its proper divisors (38197236).

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

20024844 is a wasteful number, since it uses less digits than its factorization.

20024844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 20024844 is about 4474.9127365793. The cubic root of 20024844 is about 271.5541101380.

Adding to 20024844 its reverse (44842002), we get a palindrome (64866846).

The spelling of 20024844 in words is "twenty million, twenty-four thousand, eight hundred forty-four".