1220300003320 has 16 divisors (see below), whose sum is σ = 2745675007560. Its totient is φ = 488120001312.

The previous prime is 1220300003317. The next prime is 1220300003341. The reversal of 1220300003320 is 233000030221.

It is a super-2 number, since 2×1220300003320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220300003294 and 1220300003303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15253750002 + ... + 15253750081.

Almost surely, 2^{1220300003320} is an apocalyptic number.

1220300003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220300003320 is an abundant number, since it is smaller than the sum of its proper divisors (1525375004240).

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

1220300003320 is a wasteful number, since it uses less digits than its factorization.

1220300003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30507500094 (or 30507500090 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 1220300003320 its reverse (233000030221), we get a palindrome (1453300033541).

The spelling of 1220300003320 in words is "one trillion, two hundred twenty billion, three hundred million, three thousand, three hundred twenty".