13323010020 has 48 divisors (see below), whose sum is σ = 37497747840. Its totient is φ = 3534391296.

The previous prime is 13323010003. The next prime is 13323010021. The reversal of 13323010020 is 2001032331.

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

It is not an unprimeable number, because it can be changed into a prime (13323010021) 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, 563680 + ... + 586839.

It is an arithmetic number, because the mean of its divisors is an integer number (781203080).

Almost surely, 2^13323010020 is an apocalyptic number.

13323010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323010020 is an abundant number, since it is smaller than the sum of its proper divisors (24174737820).

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

13323010020 is a wasteful number, since it uses less digits than its factorization.

13323010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150724 (or 1150722 counting only the distinct ones).

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

Adding to 13323010020 its reverse (2001032331), we get a palindrome (15324042351).

The spelling of 13323010020 in words is "thirteen billion, three hundred twenty-three million, ten thousand, twenty".