220245213306 has 32 divisors (see below), whose sum is σ = 446938675200. Its totient is φ = 72348123456.

The previous prime is 220245213203. The next prime is 220245213313. The reversal of 220245213306 is 603312542022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856381 + ... + 1083456.

It is an arithmetic number, because the mean of its divisors is an integer number (13966833600).

Almost surely, 2^220245213306 is an apocalyptic number.

220245213306 is an abundant number, since it is smaller than the sum of its proper divisors (226693461894).

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

220245213306 is a wasteful number, since it uses less digits than its factorization.

220245213306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940118.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 220245213306 its reverse (603312542022), we get a palindrome (823557755328).

The spelling of 220245213306 in words is "two hundred twenty billion, two hundred forty-five million, two hundred thirteen thousand, three hundred six".