20799344 has 20 divisors (see below), whose sum is σ = 40570320. Its totient is φ = 10329600.

The previous prime is 20799343. The next prime is 20799367. The reversal of 20799344 is 44399702.

It is a super-2 number, since 2×20799344² = 865225421660672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20799298 and 20799307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20799343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (2028516).

Almost surely, 2^20799344 is an apocalyptic number.

It is an amenable number.

20799344 is a deficient number, since it is larger than the sum of its proper divisors (19770976).

20799344 is a wasteful number, since it uses less digits than its factorization.

20799344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8768 (or 8762 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 20799344 is about 4560.6297810719. The cubic root of 20799344 is about 275.0108822140.

The spelling of 20799344 in words is "twenty million, seven hundred ninety-nine thousand, three hundred forty-four".