20594 has 8 divisors (see below), whose sum is σ = 35328. Its totient is φ = 8820.

The previous prime is 20593. The next prime is 20599. The reversal of 20594 is 49502.

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

It is a super-2 number, since 2×20594² = 848225672, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (20593) 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, 722 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (4416).

2²⁰⁵⁹⁴ is an apocalyptic number.

20594 is a deficient number, since it is larger than the sum of its proper divisors (14734).

20594 is a wasteful number, since it uses less digits than its factorization.

20594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20594 is about 143.5060974314. The cubic root of 20594 is about 27.4102861552.

The spelling of 20594 in words is "twenty thousand, five hundred ninety-four".