20414 has 8 divisors (see below), whose sum is σ = 31320. Its totient is φ = 9976.

The previous prime is 20411. The next prime is 20431. The reversal of 20414 is 41402.

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

It is a Curzon number.

It is a nialpdrome in base 12 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 20395 and 20404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32 + ... + 204.

It is an arithmetic number, because the mean of its divisors is an integer number (3915).

2²⁰⁴¹⁴ is an apocalyptic number.

20414 is a deficient number, since it is larger than the sum of its proper divisors (10906).

20414 is a wasteful number, since it uses less digits than its factorization.

20414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20414 is about 142.8775699681. The cubic root of 20414 is about 27.3301933071.

Adding to 20414 its reverse (41402), we get a palindrome (61816).

It can be divided in two parts, 20 and 414, that added together give a palindrome (434).

The spelling of 20414 in words is "twenty thousand, four hundred fourteen", and thus it is an iban number.