10013325520 has 80 divisors (see below), whose sum is σ = 25659482688. Its totient is φ = 3603640320.

The previous prime is 10013325481. The next prime is 10013325521. The reversal of 10013325520 is 2552331001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10013325491 and 10013325500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013325521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26707 + ... + 144013.

Almost surely, 2^10013325520 is an apocalyptic number.

10013325520 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 10013325520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12829741344).

10013325520 is an abundant number, since it is smaller than the sum of its proper divisors (15646157168).

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

10013325520 is a wasteful number, since it uses less digits than its factorization.

10013325520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117428 (or 117422 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 10013325520 its reverse (2552331001), we get a palindrome (12565656521).

It can be divided in two parts, 10013 and 325520, that added together give a palindrome (335533).

The spelling of 10013325520 in words is "ten billion, thirteen million, three hundred twenty-five thousand, five hundred twenty".