20796944 has 80 divisors (see below), whose sum is σ = 50294400. Its totient is φ = 8128512.

The previous prime is 20796943. The next prime is 20796947. The reversal of 20796944 is 44969702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20796943) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61544 + ... + 61880.

It is an arithmetic number, because the mean of its divisors is an integer number (628680).

Almost surely, 2^20796944 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 20796944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25147200).

20796944 is an abundant number, since it is smaller than the sum of its proper divisors (29497456).

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

20796944 is a wasteful number, since it uses less digits than its factorization.

20796944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 20796944 is about 4560.3666519261. The cubic root of 20796944 is about 275.0003041319. Note that the first 3 decimals are identical.

The spelling of 20796944 in words is "twenty million, seven hundred ninety-six thousand, nine hundred forty-four".