1320220033000 has 256 divisors, whose sum is σ = 3630153646080. Its totient is φ = 444391200000.

The previous prime is 1320220032959. The next prime is 1320220033087. The reversal of 1320220033000 is 3300220231.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7758835 + ... + 7927165.

It is an arithmetic number, because the mean of its divisors is an integer number (14180287680).

Almost surely, 2^{1320220033000} is an apocalyptic number.

1320220033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320220033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815076823040).

1320220033000 is an abundant number, since it is smaller than the sum of its proper divisors (2309933613080).

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

1320220033000 is a wasteful number, since it uses less digits than its factorization.

1320220033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168417 (or 168403 counting only the distinct ones).

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

Adding to 1320220033000 its reverse (3300220231), we get a palindrome (1323520253231).

The spelling of 1320220033000 in words is "one trillion, three hundred twenty billion, two hundred twenty million, thirty-three thousand".