20140875 has 24 divisors (see below), whose sum is σ = 36309312. Its totient is φ = 10741200.

The previous prime is 20140873. The next prime is 20140907. The reversal of 20140875 is 57804102.

It is not a de Polignac number, because 20140875 - 2¹ = 20140873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20140873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7827 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (1512888).

Almost surely, 2^20140875 is an apocalyptic number.

20140875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20140875 is a deficient number, since it is larger than the sum of its proper divisors (16168437).

20140875 is a wasteful number, since it uses less digits than its factorization.

20140875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924 (or 17911 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 20140875 is about 4487.8586207678. The cubic root of 20140875 is about 272.0775937436.

Adding to 20140875 its reverse (57804102), we get a palindrome (77944977).

The spelling of 20140875 in words is "twenty million, one hundred forty thousand, eight hundred seventy-five".