220605240306 has 16 divisors (see below), whose sum is σ = 481320524448. Its totient is φ = 66850072800.

The previous prime is 220605240287. The next prime is 220605240313. The reversal of 220605240306 is 603042506022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671251755 + ... + 1671251886.

It is an arithmetic number, because the mean of its divisors is an integer number (30082532778).

Almost surely, 2^220605240306 is an apocalyptic number.

220605240306 is an abundant number, since it is smaller than the sum of its proper divisors (260715284142).

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

220605240306 is a wasteful number, since it uses less digits than its factorization.

220605240306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342503657.

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

Adding to 220605240306 its reverse (603042506022), we get a palindrome (823647746328).

The spelling of 220605240306 in words is "two hundred twenty billion, six hundred five million, two hundred forty thousand, three hundred six".