1220433035305 has 32 divisors (see below), whose sum is σ = 1608921947520. Its totient is φ = 881339719680.

The previous prime is 1220433035303. The next prime is 1220433035317. The reversal of 1220433035305 is 5035303340221.

It is not a de Polignac number, because 1220433035305 - 2¹ = 1220433035303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220433035303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9880809 + ... + 10003561.

It is an arithmetic number, because the mean of its divisors is an integer number (50278810860).

Almost surely, 2^{1220433035305} is an apocalyptic number.

It is an amenable number.

1220433035305 is a deficient number, since it is larger than the sum of its proper divisors (388488912215).

1220433035305 is a wasteful number, since it uses less digits than its factorization.

1220433035305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124041.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 1220433035305 its reverse (5035303340221), we get a palindrome (6255736375526).

The spelling of 1220433035305 in words is "one trillion, two hundred twenty billion, four hundred thirty-three million, thirty-five thousand, three hundred five".