20026105 has 24 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 14345760.

The previous prime is 20026067. The next prime is 20026121. The reversal of 20026105 is 50162002.

It is a happy number.

It is not a de Polignac number, because 20026105 - 2¹⁹ = 19501817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47586 + ... + 48004.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^20026105 is an apocalyptic number.

It is an amenable number.

20026105 is a deficient number, since it is larger than the sum of its proper divisors (6786695).

20026105 is a wasteful number, since it uses less digits than its factorization.

20026105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20026105 is about 4475.0536309635. The cubic root of 20026105 is about 271.5598100999.

Adding to 20026105 its reverse (50162002), we get a palindrome (70188107).

The spelling of 20026105 in words is "twenty million, twenty-six thousand, one hundred five".