20348875 has 8 divisors (see below), whose sum is σ = 25395552. Its totient is φ = 16279000.

The previous prime is 20348869. The next prime is 20348879. The reversal of 20348875 is 57884302.

It is not a de Polignac number, because 20348875 - 2⁵ = 20348843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20348879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81271 + ... + 81520.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^20348875 is an apocalyptic number.

20348875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20348875 is a deficient number, since it is larger than the sum of its proper divisors (5046677).

20348875 is an equidigital number, since it uses as much as digits as its factorization.

20348875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162806 (or 162796 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 20348875 is about 4510.9727332361. The cubic root of 20348875 is about 273.0109930409.

The spelling of 20348875 in words is "twenty million, three hundred forty-eight thousand, eight hundred seventy-five".