220064420242 has 12 divisors (see below), whose sum is σ = 331763862366. Its totient is φ = 109479245040.

The previous prime is 220064420239. The next prime is 220064420263. The reversal of 220064420242 is 242024460022.

220064420242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128449843201 + 91614577041 = 358399^2 + 302679^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220064420242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1310059 + ... + 1468462.

Almost surely, 2^220064420242 is an apocalyptic number.

220064420242 is a deficient number, since it is larger than the sum of its proper divisors (111699442124).

220064420242 is an equidigital number, since it uses as much as digits as its factorization.

220064420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778921 (or 2778722 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 220064420242 its reverse (242024460022), we get a palindrome (462088880264).

The spelling of 220064420242 in words is "two hundred twenty billion, sixty-four million, four hundred twenty thousand, two hundred forty-two".