20112896 has 40 divisors (see below), whose sum is σ = 40600824. Its totient is φ = 9953280.

The previous prime is 20112889. The next prime is 20112899. The reversal of 20112896 is 69821102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83336 + ... + 83576.

Almost surely, 2^20112896 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 20112896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20300412).

20112896 is an abundant number, since it is smaller than the sum of its proper divisors (20487928).

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

20112896 is an equidigital number, since it uses as much as digits as its factorization.

20112896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 20112896 is about 4484.7403492287. The cubic root of 20112896 is about 271.9515484632.

Adding to 20112896 its reverse (69821102), we get a palindrome (89933998).

The spelling of 20112896 in words is "twenty million, one hundred twelve thousand, eight hundred ninety-six".