20848 has 10 divisors (see below), whose sum is σ = 40424. Its totient is φ = 10416.

The previous prime is 20809. The next prime is 20849. The reversal of 20848 is 84802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636 + ... + 667.

2²⁰⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

20848 is a deficient number, since it is larger than the sum of its proper divisors (19576).

20848 is a wasteful number, since it uses less digits than its factorization.

20848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 20848 is about 144.3883651822. The cubic root of 20848 is about 27.5225159950.

It can be divided in two parts, 208 and 48, that added together give a 8-th power (256 = 2⁸).

The spelling of 20848 in words is "twenty thousand, eight hundred forty-eight".