20026755 has 24 divisors (see below), whose sum is σ = 39672672. Its totient is φ = 9154944.

The previous prime is 20026753. The next prime is 20026759. The reversal of 20026755 is 55762002.

It is not a de Polignac number, because 20026755 - 2¹ = 20026753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20026753) 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 23 ways as a sum of consecutive naturals, for example, 31474 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (1653028).

Almost surely, 2^20026755 is an apocalyptic number.

20026755 is a deficient number, since it is larger than the sum of its proper divisors (19645917).

20026755 is a wasteful number, since it uses less digits than its factorization.

20026755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63595 (or 63592 counting only the distinct ones).

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

The square root of 20026755 is about 4475.1262552022. The cubic root of 20026755 is about 271.5627481312.

Adding to 20026755 its reverse (55762002), we get a palindrome (75788757).

The spelling of 20026755 in words is "twenty million, twenty-six thousand, seven hundred fifty-five".