13021020232 has 64 divisors (see below), whose sum is σ = 27293333760. Its totient is φ = 5772513600.

The previous prime is 13021020211. The next prime is 13021020247. The reversal of 13021020232 is 23202012031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066703 + ... + 3070945.

It is an arithmetic number, because the mean of its divisors is an integer number (426458340).

Almost surely, 2^13021020232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021020232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13646666880).

13021020232 is an abundant number, since it is smaller than the sum of its proper divisors (14272313528).

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

13021020232 is a wasteful number, since it uses less digits than its factorization.

13021020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 5110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13021020232 its reverse (23202012031), we get a palindrome (36223032263).

The spelling of 13021020232 in words is "thirteen billion, twenty-one million, twenty thousand, two hundred thirty-two".