20896448 has 28 divisors (see below), whose sum is σ = 42001440. Its totient is φ = 10313472.

The previous prime is 20896441. The next prime is 20896457. The reversal of 20896448 is 84469802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20896441) 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 3 ways as a sum of consecutive naturals, for example, 2990 + ... + 7122.

Almost surely, 2^20896448 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 20896448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21000720).

20896448 is an abundant number, since it is smaller than the sum of its proper divisors (21104992).

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

20896448 is an equidigital number, since it uses as much as digits as its factorization.

20896448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 20896448 is about 4571.2632827261. The cubic root of 20896448 is about 275.4381906633.

The spelling of 20896448 in words is "twenty million, eight hundred ninety-six thousand, four hundred forty-eight".