20882444 has 24 divisors (see below), whose sum is σ = 41966400. Its totient is φ = 8992080.

The previous prime is 20882431. The next prime is 20882461. The reversal of 20882444 is 44428802.

It is a self number, because there is not a number n which added to its sum of digits gives 20882444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11654 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (1748600).

Almost surely, 2^20882444 is an apocalyptic number.

It is an amenable number.

20882444 is an abundant number, since it is smaller than the sum of its proper divisors (21083956).

20882444 is a wasteful number, since it uses less digits than its factorization.

20882444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25013 (or 25011 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 20882444 is about 4569.7312831281. The cubic root of 20882444 is about 275.3766475341.

The spelling of 20882444 in words is "twenty million, eight hundred eighty-two thousand, four hundred forty-four".