13303202020 has 24 divisors (see below), whose sum is σ = 28250623800. Its totient is φ = 5261490432.

The previous prime is 13303202009. The next prime is 13303202021. The reversal of 13303202020 is 2020230331.

It can be written as a sum of positive squares in 4 ways, for example, as 505710144 + 12797491876 = 22488^2 + 113126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13303201985 and 13303202003.

It is not an unprimeable number, because it can be changed into a prime (13303202021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3735075 + ... + 3738634.

It is an arithmetic number, because the mean of its divisors is an integer number (1177109325).

Almost surely, 2^13303202020 is an apocalyptic number.

13303202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13303202020 is an abundant number, since it is smaller than the sum of its proper divisors (14947421780).

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

13303202020 is a wasteful number, since it uses less digits than its factorization.

13303202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473807 (or 7473805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13303202020 its reverse (2020230331), we get a palindrome (15323432351).

The spelling of 13303202020 in words is "thirteen billion, three hundred three million, two hundred two thousand, twenty".