20026126 has 4 divisors (see below), whose sum is σ = 30039192. Its totient is φ = 10013062.

The previous prime is 20026121. The next prime is 20026129. The reversal of 20026126 is 62162002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026121) 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 as a sum of consecutive naturals, namely, 5006530 + ... + 5006533.

It is an arithmetic number, because the mean of its divisors is an integer number (7509798).

Almost surely, 2^20026126 is an apocalyptic number.

20026126 is a deficient number, since it is larger than the sum of its proper divisors (10013066).

20026126 is a wasteful number, since it uses less digits than its factorization.

20026126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013065.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20026126 is about 4475.0559773035. The cubic root of 20026126 is about 271.5599050219.

Adding to 20026126 its reverse (62162002), we get a palindrome (82188128).

It can be divided in two parts, 2002 and 6126, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 20026126 in words is "twenty million, twenty-six thousand, one hundred twenty-six".