220206426 has 16 divisors (see below), whose sum is σ = 480450528. Its totient is φ = 66729200.

The previous prime is 220206391. The next prime is 220206451. The reversal of 220206426 is 624602022.

It is a junction number, because it is equal to n+sod(n) for n = 220206396 and 220206405.

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 7 ways as a sum of consecutive naturals, for example, 1668165 + ... + 1668296.

It is an arithmetic number, because the mean of its divisors is an integer number (30028158).

Almost surely, 2^220206426 is an apocalyptic number.

220206426 is an abundant number, since it is smaller than the sum of its proper divisors (260244102).

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

220206426 is a wasteful number, since it uses less digits than its factorization.

220206426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336477.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220206426 is about 14839.3539616791. The cubic root of 220206426 is about 603.8698259738.

Adding to 220206426 its reverse (624602022), we get a palindrome (844808448).

The spelling of 220206426 in words is "two hundred twenty million, two hundred six thousand, four hundred twenty-six".