1320220113000 has 256 divisors, whose sum is σ = 4211802316800. Its totient is φ = 344221113600.

The previous prime is 1320220112993. The next prime is 1320220113031. The reversal of 1320220113000 is 3110220231.

It is a super-2 number, since 2×1320220113000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 24383959 + ... + 24438041.

It is an arithmetic number, because the mean of its divisors is an integer number (16452352800).

Almost surely, 2^{1320220113000} is an apocalyptic number.

1320220113000 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 1320220113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105901158400).

1320220113000 is an abundant number, since it is smaller than the sum of its proper divisors (2891582203800).

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

1320220113000 is a wasteful number, since it uses less digits than its factorization.

1320220113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54289 (or 54275 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1320220113000 its reverse (3110220231), we get a palindrome (1323330333231).

The spelling of 1320220113000 in words is "one trillion, three hundred twenty billion, two hundred twenty million, one hundred thirteen thousand".