20026106 has 4 divisors (see below), whose sum is σ = 30039162. Its totient is φ = 10013052.

The previous prime is 20026067. The next prime is 20026121. The reversal of 20026106 is 60162002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60162002 = 2 ⋅30081001.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 885481 = 4375^2 + 941^2 .

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 as a sum of consecutive naturals, namely, 5006525 + ... + 5006528.

Almost surely, 2^20026106 is an apocalyptic number.

20026106 is a deficient number, since it is larger than the sum of its proper divisors (10013056).

20026106 is a wasteful number, since it uses less digits than its factorization.

20026106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013055.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20026106 is about 4475.0537426940. The cubic root of 20026106 is about 271.5598146200.

Adding to 20026106 its reverse (60162002), we get a palindrome (80188108).

The spelling of 20026106 in words is "twenty million, twenty-six thousand, one hundred six".