20024075 has 12 divisors (see below), whose sum is σ = 24920280. Its totient is φ = 15960960.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024075 is 57042002.

It is not a de Polignac number, because 20024075 - 2⁸ = 20023819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20024077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6371 + ... + 8979.

It is an arithmetic number, because the mean of its divisors is an integer number (2076690).

Almost surely, 2^20024075 is an apocalyptic number.

20024075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20024075 is a deficient number, since it is larger than the sum of its proper divisors (4896205).

20024075 is a wasteful number, since it uses less digits than its factorization.

20024075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20024075 is about 4474.8268122912. The cubic root of 20024075 is about 271.5506339930.

Adding to 20024075 its reverse (57042002), we get a palindrome (77066077).

The spelling of 20024075 in words is "twenty million, twenty-four thousand, seventy-five".