20326844 has 18 divisors (see below), whose sum is σ = 35995680. Its totient is φ = 10043736.

The previous prime is 20326841. The next prime is 20326879. The reversal of 20326844 is 44862302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326841) 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 5 ways as a sum of consecutive naturals, for example, 42197 + ... + 42675.

It is an arithmetic number, because the mean of its divisors is an integer number (1999760).

Almost surely, 2^20326844 is an apocalyptic number.

It is an amenable number.

20326844 is a deficient number, since it is larger than the sum of its proper divisors (15668836).

20326844 is a wasteful number, since it uses less digits than its factorization.

20326844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20326844 is about 4508.5301374173. The cubic root of 20326844 is about 272.9124310462.

The spelling of 20326844 in words is "twenty million, three hundred twenty-six thousand, eight hundred forty-four".