20652075 has 36 divisors (see below), whose sum is σ = 37237200. Its totient is φ = 10941120.

The previous prime is 20652043. The next prime is 20652077. The reversal of 20652075 is 57025602.

20652075 is a `hidden beast` number, since 2 + 0 + 652 + 0 + 7 + 5 = 666.

It is not a de Polignac number, because 20652075 - 2⁵ = 20652043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20652077) 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 35 ways as a sum of consecutive naturals, for example, 59001 + ... + 59349.

Almost surely, 2^20652075 is an apocalyptic number.

20652075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20652075 is a deficient number, since it is larger than the sum of its proper divisors (16585125).

20652075 is a wasteful number, since it uses less digits than its factorization.

20652075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 20652075 is about 4544.4554129180. The cubic root of 20652075 is about 274.3602760695.

Adding to 20652075 its reverse (57025602), we get a palindrome (77677677).

The spelling of 20652075 in words is "twenty million, six hundred fifty-two thousand, seventy-five".