20026886 has 16 divisors (see below), whose sum is σ = 33099408. Its totient is φ = 9012000.

The previous prime is 20026883. The next prime is 20026889. The reversal of 20026886 is 68862002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20026883) and next prime (20026889).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (2068713).

Almost surely, 2^20026886 is an apocalyptic number.

20026886 is a deficient number, since it is larger than the sum of its proper divisors (13072522).

20026886 is a wasteful number, since it uses less digits than its factorization.

20026886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 20026886 is about 4475.1408916368. The cubic root of 20026886 is about 271.5633402498.

Adding to 20026886 its reverse (68862002), we get a palindrome (88888888).

It can be divided in two parts, 2002 and 6886, that added together give a palindrome (8888).

The spelling of 20026886 in words is "twenty million, twenty-six thousand, eight hundred eighty-six".