13003201111020 has 96 divisors (see below), whose sum is σ = 36933943527936. Its totient is φ = 3417554380800.

The previous prime is 13003201111013. The next prime is 13003201111073. The reversal of 13003201111020 is 2011110230031.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 12452787 + ... + 13456533.

It is an arithmetic number, because the mean of its divisors is an integer number (384728578416).

Almost surely, 2^{13003201111020} is an apocalyptic number.

13003201111020 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 13003201111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18466971763968).

13003201111020 is an abundant number, since it is smaller than the sum of its proper divisors (23930742416916).

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

13003201111020 is a wasteful number, since it uses less digits than its factorization.

13003201111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006871 (or 1006869 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13003201111020 its reverse (2011110230031), we get a palindrome (15014311341051).

The spelling of 13003201111020 in words is "thirteen trillion, three billion, two hundred one million, one hundred eleven thousand, twenty".