13331230020 has 48 divisors (see below), whose sum is σ = 41474939520. Its totient is φ = 3554994528.

The previous prime is 13331230019. The next prime is 13331230021. The reversal of 13331230020 is 2003213331.

13331230020 is a `hidden beast` number, since 1 + 33 + 312 + 300 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (13331230019) and next prime (13331230021).

It is a super-2 number, since 2×13331230020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13331229975 and 13331230002.

It is not an unprimeable number, because it can be changed into a prime (13331230021) 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, 12343192 + ... + 12344271.

It is an arithmetic number, because the mean of its divisors is an integer number (864061240).

Almost surely, 2^13331230020 is an apocalyptic number.

13331230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13331230020 is an abundant number, since it is smaller than the sum of its proper divisors (28143709500).

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

13331230020 is a wasteful number, since it uses less digits than its factorization.

13331230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24687481 (or 24687473 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13331230020 its reverse (2003213331), we get a palindrome (15334443351).

The spelling of 13331230020 in words is "thirteen billion, three hundred thirty-one million, two hundred thirty thousand, twenty".