20374 has 8 divisors (see below), whose sum is σ = 31248. Its totient is φ = 9960.

The previous prime is 20369. The next prime is 20389. The reversal of 20374 is 47302.

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

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

20374 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, 39 + ... + 205.

It is an arithmetic number, because the mean of its divisors is an integer number (3906).

2²⁰³⁷⁴ is an apocalyptic number.

20374 is a deficient number, since it is larger than the sum of its proper divisors (10874).

20374 is a wasteful number, since it uses less digits than its factorization.

20374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 20374 is about 142.7375213460. The cubic root of 20374 is about 27.3123310143.

Adding to 20374 its reverse (47302), we get a palindrome (67676).

The spelling of 20374 in words is "twenty thousand, three hundred seventy-four", and thus it is an iban number.