Subtracting from 20346 its product of nonzero digits (144), we obtain a palindrome (20202).
Adding to 20346 its reverse (64302), we get a palindrome (84648).
Subtracting 20346 from its reverse (64302), we obtain a triangular number (43956 = T296).
It is a sphenic number, since it is the product of 3 distinct primes.
20346 is an admirable number.
It is a Curzon number.
220346 is an apocalyptic number.
20346 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.
20346 is a wasteful number, since it uses less digits than its factorization.
20346 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3396.
The square root of 20346 is about 142.6394054951. The cubic root of 20346 is about 27.2998134941.
The spelling of 20346 in words is "twenty thousand, three hundred forty-six".