20058 has 8 divisors (see below), whose sum is σ = 40128. Its totient is φ = 6684.

The previous prime is 20051. The next prime is 20063. The reversal of 20058 is 85002.

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

20058 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20051) by changing a digit.

20058 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (5016).

2²⁰⁰⁵⁸ is an apocalyptic number.

20058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (20064).

20058 is a wasteful number, since it uses less digits than its factorization.

20058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20058 is about 141.6262687498. The cubic root of 20058 is about 27.1703902123.

The spelling of 20058 in words is "twenty thousand, fifty-eight".