1220330111320 has 64 divisors (see below), whose sum is σ = 2835872169120. Its totient is φ = 472361370624.

The previous prime is 1220330111293. The next prime is 1220330111327. The reversal of 1220330111320 is 231110330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220330111327) 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 15 ways as a sum of consecutive naturals, for example, 3787894 + ... + 4097413.

Almost surely, 2^{1220330111320} is an apocalyptic number.

1220330111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220330111320 is an abundant number, since it is smaller than the sum of its proper divisors (1615542057800).

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

1220330111320 is a wasteful number, since it uses less digits than its factorization.

1220330111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885444 (or 7885440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220330111320 its reverse (231110330221), we get a palindrome (1451440441541).

The spelling of 1220330111320 in words is "one trillion, two hundred twenty billion, three hundred thirty million, one hundred eleven thousand, three hundred twenty".