1320110122320 has 240 divisors, whose sum is σ = 4839263642304. Its totient is φ = 319837440000.

The previous prime is 1320110122307. The next prime is 1320110122343. The reversal of 1320110122320 is 232210110231.

1320110122320 is a `hidden beast` number, since 1 + 320 + 1 + 1 + 0 + 1 + 22 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320110122293 and 1320110122302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13581895 + ... + 13678745.

Almost surely, 2^{1320110122320} is an apocalyptic number.

1320110122320 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 1320110122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2419631821152).

1320110122320 is an abundant number, since it is smaller than the sum of its proper divisors (3519153519984).

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

1320110122320 is a wasteful number, since it uses less digits than its factorization.

1320110122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98602 (or 98593 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1320110122320 its reverse (232210110231), we get a palindrome (1552320232551).

The spelling of 1320110122320 in words is "one trillion, three hundred twenty billion, one hundred ten million, one hundred twenty-two thousand, three hundred twenty".