20300193 has 32 divisors (see below), whose sum is σ = 32555520. Its totient is φ = 12453120.

The previous prime is 20300179. The next prime is 20300201. The reversal of 20300193 is 39100302.

It is not a de Polignac number, because 20300193 - 2⁴ = 20300177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20300123) 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 31 ways as a sum of consecutive naturals, for example, 21103 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (1017360).

Almost surely, 2^20300193 is an apocalyptic number.

It is an amenable number.

20300193 is a deficient number, since it is larger than the sum of its proper divisors (12255327).

20300193 is a wasteful number, since it uses less digits than its factorization.

20300193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 20300193 is about 4505.5735483954. The cubic root of 20300193 is about 272.7931049260.

Adding to 20300193 its reverse (39100302), we get a palindrome (59400495).

The spelling of 20300193 in words is "twenty million, three hundred thousand, one hundred ninety-three".