20466026 has 12 divisors (see below), whose sum is σ = 35711298. Its totient is φ = 8771112.

The previous prime is 20466013. The next prime is 20466041. The reversal of 20466026 is 62066402.

It can be written as a sum of positive squares in only one way, i.e., 20259001 + 207025 = 4501^2 + 455^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20465986 and 20466004.

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 5 ways as a sum of consecutive naturals, for example, 104321 + ... + 104516.

Almost surely, 2^20466026 is an apocalyptic number.

20466026 is a deficient number, since it is larger than the sum of its proper divisors (15245272).

20466026 is a wasteful number, since it uses less digits than its factorization.

20466026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208853 (or 208846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20466026 is about 4523.9392126774. The cubic root of 20466026 is about 273.5339102165.

The spelling of 20466026 in words is "twenty million, four hundred sixty-six thousand, twenty-six".