206220026 has 8 divisors (see below), whose sum is σ = 310950144. Its totient is φ = 102569980.

The previous prime is 206220019. The next prime is 206220041. The reversal of 206220026 is 620022602.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269540 + ... + 270303.

It is an arithmetic number, because the mean of its divisors is an integer number (38868768).

Almost surely, 2^206220026 is an apocalyptic number.

206220026 is a deficient number, since it is larger than the sum of its proper divisors (104730118).

206220026 is a wasteful number, since it uses less digits than its factorization.

206220026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540036.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 206220026 is about 14360.3630176956. The cubic root of 206220026 is about 590.8042522316.

Adding to 206220026 its reverse (620022602), we get a palindrome (826242628).

The spelling of 206220026 in words is "two hundred six million, two hundred twenty thousand, twenty-six".