20192 has 12 divisors (see below), whose sum is σ = 39816.
Its totient is φ = 10080.
The previous prime is 20183. The next prime is 20201. The reversal of 20192 is 29102.
It is an interprime number because it is at equal distance from previous prime (20183) and next prime (20201).
It is a congruent number.
It is an unprimeable number.
20192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 as a sum of consecutive naturals, namely, 284 + ... + 347.
It is an arithmetic number, because the mean of its divisors is an integer number (3318).
220192 is an apocalyptic number.
It is an amenable number.
20192 is a deficient number, since it is larger than the sum of its proper divisors (19624).
20192 is an equidigital number, since it uses as much as digits as its factorization.
20192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641 (or 633 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 20192 is about 142.0985573467.
The cubic root of 20192 is about 27.2307610463.
Adding to 20192 its reverse (29102), we get a palindrome (49294).
It can be divided in two parts, 20 and 192, that added together give a palindrome (212).
The spelling of 20192 in words is "twenty thousand, one hundred ninety-two".