13321030020 has 24 divisors (see below), whose sum is σ = 37298884224. Its totient is φ = 3552274656.

The previous prime is 13321030013. The next prime is 13321030061. The reversal of 13321030020 is 2003012331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111008524 + ... + 111008643.

It is an arithmetic number, because the mean of its divisors is an integer number (1554120176).

Almost surely, 2^13321030020 is an apocalyptic number.

13321030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321030020 is an abundant number, since it is smaller than the sum of its proper divisors (23977854204).

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

13321030020 is a wasteful number, since it uses less digits than its factorization.

13321030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222017179 (or 222017177 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13321030020 its reverse (2003012331), we get a palindrome (15324042351).

The spelling of 13321030020 in words is "thirteen billion, three hundred twenty-one million, thirty thousand, twenty".