20000193 has 8 divisors (see below), whose sum is σ = 27004800. Its totient is φ = 13164528.

The previous prime is 20000171. The next prime is 20000213. The reversal of 20000193 is 39100002.

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

It is not a de Polignac number, because 20000193 - 2⁵ = 20000161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000153) 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 7 ways as a sum of consecutive naturals, for example, 41958 + ... + 42431.

It is an arithmetic number, because the mean of its divisors is an integer number (3375600).

Almost surely, 2^20000193 is an apocalyptic number.

It is an amenable number.

20000193 is a deficient number, since it is larger than the sum of its proper divisors (7004607).

20000193 is an equidigital number, since it uses as much as digits as its factorization.

20000193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84471.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 20000193 is about 4472.1575330035. The cubic root of 20000193 is about 271.4426347943.

Adding to 20000193 its reverse (39100002), we get a palindrome (59100195).

The spelling of 20000193 in words is "twenty million, one hundred ninety-three", and thus it is an aban number.