220205430344 has 8 divisors (see below), whose sum is σ = 412885181910. Its totient is φ = 110102715168.

The previous prime is 220205430343. The next prime is 220205430377. The reversal of 220205430344 is 443034502022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219340482244 + 864948100 = 468338^2 + 29410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (220205430343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762839389 + ... + 13762839404.

Almost surely, 2^220205430344 is an apocalyptic number.

It is an amenable number.

220205430344 is a deficient number, since it is larger than the sum of its proper divisors (192679751566).

220205430344 is a wasteful number, since it uses less digits than its factorization.

220205430344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525678799 (or 27525678795 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 220205430344 its reverse (443034502022), we get a palindrome (663239932366).

The spelling of 220205430344 in words is "two hundred twenty billion, two hundred five million, four hundred thirty thousand, three hundred forty-four".