20183875 has 8 divisors (see below), whose sum is σ = 25189632. Its totient is φ = 16147000.

The previous prime is 20183873. The next prime is 20183929. The reversal of 20183875 is 57838102.

It is not a de Polignac number, because 20183875 - 2¹ = 20183873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20183875.

It is not an unprimeable number, because it can be changed into a prime (20183873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80611 + ... + 80860.

It is an arithmetic number, because the mean of its divisors is an integer number (3148704).

Almost surely, 2^20183875 is an apocalyptic number.

20183875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20183875 is a deficient number, since it is larger than the sum of its proper divisors (5005757).

20183875 is an equidigital number, since it uses as much as digits as its factorization.

20183875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161486 (or 161476 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 20183875 is about 4492.6467700010. The cubic root of 20183875 is about 272.2710812081.

The spelling of 20183875 in words is "twenty million, one hundred eighty-three thousand, eight hundred seventy-five".