20324875 has 16 divisors (see below), whose sum is σ = 25500384. Its totient is φ = 16173600.

The previous prime is 20324873. The next prime is 20324881. The reversal of 20324875 is 57842302.

It is not a de Polignac number, because 20324875 - 2¹ = 20324873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34332 + ... + 34918.

It is an arithmetic number, because the mean of its divisors is an integer number (1593774).

Almost surely, 2^20324875 is an apocalyptic number.

20324875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20324875 is a deficient number, since it is larger than the sum of its proper divisors (5175509).

20324875 is an equidigital number, since it uses as much as digits as its factorization.

20324875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 20324875 is about 4508.3117682787. The cubic root of 20324875 is about 272.9036186939.

The spelling of 20324875 in words is "twenty million, three hundred twenty-four thousand, eight hundred seventy-five".