20324275 has 12 divisors (see below), whose sum is σ = 25258552. Its totient is φ = 16223040.

The previous prime is 20324267. The next prime is 20324323. The reversal of 20324275 is 57242302.

It is not a de Polignac number, because 20324275 - 2³ = 20324267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19159 + ... + 20191.

Almost surely, 2^20324275 is an apocalyptic number.

20324275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20324275 is a deficient number, since it is larger than the sum of its proper divisors (4934277).

20324275 is a wasteful number, since it uses less digits than its factorization.

20324275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20324275 is about 4508.2452240312. The cubic root of 20324275 is about 272.9009332525.

Adding to 20324275 its reverse (57242302), we get a palindrome (77566577).

The spelling of 20324275 in words is "twenty million, three hundred twenty-four thousand, two hundred seventy-five".