13325530020 has 192 divisors, whose sum is σ = 42008150016. Its totient is φ = 3127749120.

The previous prime is 13325529989. The next prime is 13325530037. The reversal of 13325530020 is 2003552331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5444437 + ... + 5446883.

It is an arithmetic number, because the mean of its divisors is an integer number (218792448).

Almost surely, 2^13325530020 is an apocalyptic number.

13325530020 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 13325530020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21004075008).

13325530020 is an abundant number, since it is smaller than the sum of its proper divisors (28682619996).

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

13325530020 is a wasteful number, since it uses less digits than its factorization.

13325530020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

It can be divided in two parts, 13325 and 530020, that added together give a palindrome (543345).

The spelling of 13325530020 in words is "thirteen billion, three hundred twenty-five million, five hundred thirty thousand, twenty".