13010220032 has 66 divisors (see below), whose sum is σ = 26254948914. Its totient is φ = 6443642880.

The previous prime is 13010220017. The next prime is 13010220077. The reversal of 13010220032 is 23002201031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12709405696 + 300814336 = 112736^2 + 17344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13010219989 and 13010220016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48008057 + ... + 48008327.

Almost surely, 2^13010220032 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 13010220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13127474457).

13010220032 is an abundant number, since it is smaller than the sum of its proper divisors (13244728882).

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

13010220032 is an frugal number, since it uses more digits than its factorization.

13010220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13010220032 its reverse (23002201031), we get a palindrome (36012421063).

The spelling of 13010220032 in words is "thirteen billion, ten million, two hundred twenty thousand, thirty-two".