20844922 has 16 divisors (see below), whose sum is σ = 35825472. Its totient is φ = 8910720.

The previous prime is 20844883. The next prime is 20844937. The reversal of 20844922 is 22944802.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 7882.

It is an arithmetic number, because the mean of its divisors is an integer number (2239092).

Almost surely, 2^20844922 is an apocalyptic number.

20844922 is a deficient number, since it is larger than the sum of its proper divisors (14980550).

20844922 is a wasteful number, since it uses less digits than its factorization.

20844922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20844922 is about 4565.6239442162. The cubic root of 20844922 is about 275.2116145298.

The spelling of 20844922 in words is "twenty million, eight hundred forty-four thousand, nine hundred twenty-two".