20794 has 8 divisors (see below), whose sum is σ = 32148. Its totient is φ = 10080.

The previous prime is 20789. The next prime is 20807. The reversal of 20794 is 49702.

It can be written as a sum of positive squares in 2 ways, for example, as 18769 + 2025 = 137^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 67 + ... + 214.

2²⁰⁷⁹⁴ is an apocalyptic number.

20794 is a deficient number, since it is larger than the sum of its proper divisors (11354).

20794 is a wasteful number, since it uses less digits than its factorization.

20794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20794 is about 144.2012482609. The cubic root of 20794 is about 27.4987327240.

The spelling of 20794 in words is "twenty thousand, seven hundred ninety-four".