20224075 has 12 divisors (see below), whose sum is σ = 26398360. Its totient is φ = 15327360.

The previous prime is 20224069. The next prime is 20224081. The reversal of 20224075 is 57042202.

It is an interprime number because it is at equal distance from previous prime (20224069) and next prime (20224081).

It is not a de Polignac number, because 20224075 - 2¹³ = 20215883 is a prime.

It is an unprimeable number.

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, 20814 + ... + 21763.

Almost surely, 2^20224075 is an apocalyptic number.

20224075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20224075 is a deficient number, since it is larger than the sum of its proper divisors (6174285).

20224075 is a wasteful number, since it uses less digits than its factorization.

20224075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42606 (or 42601 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20224075 is about 4497.1185218982. The cubic root of 20224075 is about 272.4517210993.

Adding to 20224075 its reverse (57042202), we get a palindrome (77266277).

The spelling of 20224075 in words is "twenty million, two hundred twenty-four thousand, seventy-five".