1320003003020 has 96 divisors (see below), whose sum is σ = 3002978422080. Its totient is φ = 484496179200.

The previous prime is 1320003003001. The next prime is 1320003003097. The reversal of 1320003003020 is 203003000231.

It is a super-3 number, since 3×1320003003020³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320003002986 and 1320003003004.

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, 37481420 + ... + 37516620.

It is an arithmetic number, because the mean of its divisors is an integer number (31281025230).

Almost surely, 2^{1320003003020} is an apocalyptic number.

1320003003020 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 1320003003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501489211040).

1320003003020 is an abundant number, since it is smaller than the sum of its proper divisors (1682975419060).

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

1320003003020 is a wasteful number, since it uses less digits than its factorization.

1320003003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36075 (or 36073 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 1320003003020 its reverse (203003000231), we get a palindrome (1523006003251).

The spelling of 1320003003020 in words is "one trillion, three hundred twenty billion, three million, three thousand, twenty".