20026026 has 24 divisors (see below), whose sum is σ = 43942080. Its totient is φ = 6590376.

The previous prime is 20026009. The next prime is 20026033. The reversal of 20026026 is 62062002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5620 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (1830920).

Almost surely, 2^20026026 is an apocalyptic number.

20026026 is an abundant number, since it is smaller than the sum of its proper divisors (23916054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20026026 is a wasteful number, since it uses less digits than its factorization.

20026026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14170 (or 14167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20026026 is about 4475.0448042450. The cubic root of 20026026 is about 271.5594530118.

Adding to 20026026 its reverse (62062002), we get a palindrome (82088028).

The spelling of 20026026 in words is "twenty million, twenty-six thousand, twenty-six".