20796 has 12 divisors (see below), whose sum is σ = 48552. Its totient is φ = 6928.

The previous prime is 20789. The next prime is 20807. The reversal of 20796 is 69702.

20796 = 44² + 45² + ... + 52².

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855 + ... + 878.

It is an arithmetic number, because the mean of its divisors is an integer number (4046).

2²⁰⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

20796 is an abundant number, since it is smaller than the sum of its proper divisors (27756).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24276).

20796 is a wasteful number, since it uses less digits than its factorization.

20796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20796 is about 144.2081828469. The cubic root of 20796 is about 27.4996143197.

It can be divided in two parts, 207 and 96, that added together give a palindrome (303).

The spelling of 20796 in words is "twenty thousand, seven hundred ninety-six".