20375193 has 4 divisors (see below), whose sum is σ = 27166928. Its totient is φ = 13583460.

The previous prime is 20375189. The next prime is 20375209. The reversal of 20375193 is 39157302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20375193 - 2² = 20375189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20375193.

It is not an unprimeable number, because it can be changed into a prime (20375183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3395863 + ... + 3395868.

It is an arithmetic number, because the mean of its divisors is an integer number (6791732).

Almost surely, 2^20375193 is an apocalyptic number.

It is an amenable number.

20375193 is a deficient number, since it is larger than the sum of its proper divisors (6791735).

20375193 is an equidigital number, since it uses as much as digits as its factorization.

20375193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791734.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 20375193 is about 4513.8888998291. Note that the first 4 decimals coincide. The cubic root of 20375193 is about 273.1286409525.

The spelling of 20375193 in words is "twenty million, three hundred seventy-five thousand, one hundred ninety-three".