20234 has 8 divisors (see below), whose sum is σ = 31008. Its totient is φ = 9900.

The previous prime is 20233. The next prime is 20249. The reversal of 20234 is 43202.

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

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (20231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 209.

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

2²⁰²³⁴ is an apocalyptic number.

20234 is a deficient number, since it is larger than the sum of its proper divisors (10774).

20234 is a wasteful number, since it uses less digits than its factorization.

20234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20234 is about 142.2462653288. The cubic root of 20234 is about 27.2496282529.

Adding to 20234 its reverse (43202), we get a palindrome (63436).

The spelling of 20234 in words is "twenty thousand, two hundred thirty-four".