220206430 has 8 divisors (see below), whose sum is σ = 396371592. Its totient is φ = 88082568.

The previous prime is 220206391. The next prime is 220206451. The reversal of 220206430 is 34602022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220206398 and 220206407.

It is a congruent 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, 11010312 + ... + 11010331.

It is an arithmetic number, because the mean of its divisors is an integer number (49546449).

Almost surely, 2^220206430 is an apocalyptic number.

220206430 is a deficient number, since it is larger than the sum of its proper divisors (176165162).

220206430 is a wasteful number, since it uses less digits than its factorization.

220206430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22020650.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220206430 is about 14839.3540964558. The cubic root of 220206430 is about 603.8698296302.

Adding to 220206430 its reverse (34602022), we get a palindrome (254808452).

The spelling of 220206430 in words is "two hundred twenty million, two hundred six thousand, four hundred thirty".