20982448 has 10 divisors (see below), whose sum is σ = 40653524. Its totient is φ = 10491216.

The previous prime is 20982433. The next prime is 20982449. The reversal of 20982448 is 84428902.

It is not an unprimeable number, because it can be changed into a prime (20982449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655686 + ... + 655717.

Almost surely, 2^20982448 is an apocalyptic number.

It is an amenable number.

20982448 is a deficient number, since it is larger than the sum of its proper divisors (19671076).

20982448 is a wasteful number, since it uses less digits than its factorization.

20982448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311411 (or 1311405 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 20982448 is about 4580.6602144232. The cubic root of 20982448 is about 275.8155317101.

The spelling of 20982448 in words is "twenty million, nine hundred eighty-two thousand, four hundred forty-eight".