20792 has 16 divisors (see below), whose sum is σ = 41040. Its totient is φ = 9856.

The previous prime is 20789. The next prime is 20807. The reversal of 20792 is 29702.

20792 is an undulating number in base 15.

It is a zygodrome in base 7.

It is a congruent number.

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, 128 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (2565).

2²⁰⁷⁹² is an apocalyptic number.

It is an amenable number.

20792 is a deficient number, since it is larger than the sum of its proper divisors (20248).

20792 is a wasteful number, since it uses less digits than its factorization.

20792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20792 is about 144.1943133414. The cubic root of 20792 is about 27.4978510718.

It can be divided in two parts, 207 and 92, that multiplied together give a square (19044 = 138²).

The spelling of 20792 in words is "twenty thousand, seven hundred ninety-two".