20000026 has 8 divisors (see below), whose sum is σ = 30072564. Its totient is φ = 9975840.

The previous prime is 20000023. The next prime is 20000033. The reversal of 20000026 is 62000002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18792225 + 1207801 = 4335^2 + 1099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

20000026 is a modest number, since divided by 26 gives 20 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 19999967 and 20000021.

It is not an unprimeable number, because it can be changed into a prime (20000023) 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 3 ways as a sum of consecutive naturals, for example, 11035 + ... + 12718.

Almost surely, 2^20000026 is an apocalyptic number.

20000026 is a deficient number, since it is larger than the sum of its proper divisors (10072538).

20000026 is a wasteful number, since it uses less digits than its factorization.

20000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24176.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20000026 is about 4472.1388618870. The cubic root of 20000026 is about 271.4418792842.

Subtracting from 20000026 its product of nonzero digits (24), we obtain a palindrome (20000002).

Adding to 20000026 its reverse (62000002), we get a palindrome (82000028).

The spelling of 20000026 in words is "twenty million, twenty-six", and thus it is an aban number and an uban number.