1320113200220 has 96 divisors (see below), whose sum is σ = 2957334323328. Its totient is φ = 493264781312.

The previous prime is 1320113200123. The next prime is 1320113200249. The reversal of 1320113200220 is 220023110231.

It is a super-2 number, since 2×1320113200220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34861337 + ... + 34899183.

It is an arithmetic number, because the mean of its divisors is an integer number (30805565868).

Almost surely, 2^{1320113200220} is an apocalyptic number.

1320113200220 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 1320113200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478667161664).

1320113200220 is an abundant number, since it is smaller than the sum of its proper divisors (1637221123108).

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

1320113200220 is a wasteful number, since it uses less digits than its factorization.

1320113200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38639 (or 38637 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1320113200220 its reverse (220023110231), we get a palindrome (1540136310451).

The spelling of 1320113200220 in words is "one trillion, three hundred twenty billion, one hundred thirteen million, two hundred thousand, two hundred twenty".