35220221330720 has 24 divisors (see below), whose sum is σ = 83207772894204. Its totient is φ = 14088088532224.

The previous prime is 35220221330713. The next prime is 35220221330731. The reversal of 35220221330720 is 2703312202253.

It can be written as a sum of positive squares in 2 ways, for example, as 35182976962576 + 37244368144 = 5931524^2 + 192988^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110063191499 + ... + 110063191818.

Almost surely, 2^{35220221330720} is an apocalyptic number.

It is an amenable number.

35220221330720 is an abundant number, since it is smaller than the sum of its proper divisors (47987551563484).

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

35220221330720 is a wasteful number, since it uses less digits than its factorization.

35220221330720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220126383332 (or 220126383324 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 35220221330720 its reverse (2703312202253), we get a palindrome (37923533532973).

The spelling of 35220221330720 in words is "thirty-five trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thirty thousand, seven hundred twenty".