20054 has 8 divisors (see below), whose sum is σ = 31008. Its totient is φ = 9720.

The previous prime is 20051. The next prime is 20063. The reversal of 20054 is 45002.

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

20054 is a modest number, since divided by 54 gives 20 as remainder.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051) 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, 62 + ... + 209.

It is an arithmetic number, because the mean of its divisors is an integer number (3876).

2²⁰⁰⁵⁴ is an apocalyptic number.

20054 is a deficient number, since it is larger than the sum of its proper divisors (10954).

20054 is a wasteful number, since it uses less digits than its factorization.

20054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 20054 is about 141.6121463717. The cubic root of 20054 is about 27.1685839706.

Adding to 20054 its reverse (45002), we get a palindrome (65056).

The spelling of 20054 in words is "twenty thousand, fifty-four".