20944324 has 12 divisors (see below), whose sum is σ = 36977724. Its totient is φ = 10379264.

The previous prime is 20944309. The next prime is 20944367. The reversal of 20944324 is 42344902.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 17372224 = 1890^2 + 4168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20944292 and 20944301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22717 + ... + 23620.

It is an arithmetic number, because the mean of its divisors is an integer number (3081477).

Almost surely, 2^20944324 is an apocalyptic number.

It is an amenable number.

20944324 is a deficient number, since it is larger than the sum of its proper divisors (16033400).

20944324 is a wasteful number, since it uses less digits than its factorization.

20944324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46454 (or 46452 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20944324 is about 4576.4969135792. The cubic root of 20944324 is about 275.6483830170.

The spelling of 20944324 in words is "twenty million, nine hundred forty-four thousand, three hundred twenty-four".