30555320341220 has 12 divisors (see below), whose sum is σ = 64166172716604. Its totient is φ = 12222128136480.

The previous prime is 30555320341201. The next prime is 30555320341237. The reversal of 30555320341220 is 2214302355503.

It can be written as a sum of positive squares in 2 ways, for example, as 8254485255844 + 22300835085376 = 2873062^2 + 4722376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763883008511 + ... + 763883008550.

It is an arithmetic number, because the mean of its divisors is an integer number (5347181059717).

Almost surely, 2^{30555320341220} is an apocalyptic number.

It is an amenable number.

30555320341220 is an abundant number, since it is smaller than the sum of its proper divisors (33610852375384).

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

30555320341220 is a wasteful number, since it uses less digits than its factorization.

30555320341220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527766017070 (or 1527766017068 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 30555320341220 its reverse (2214302355503), we get a palindrome (32769622696723).

The spelling of 30555320341220 in words is "thirty trillion, five hundred fifty-five billion, three hundred twenty million, three hundred forty-one thousand, two hundred twenty".