13313223020 has 24 divisors (see below), whose sum is σ = 28006927200. Its totient is φ = 5315925632.

The previous prime is 13313222999. The next prime is 13313223023. The reversal of 13313223020 is 2032231331.

13313223020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13313222983 and 13313223001.

It is not an unprimeable number, because it can be changed into a prime (13313223023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573560 + ... + 596319.

It is an arithmetic number, because the mean of its divisors is an integer number (1166955300).

Almost surely, 2^13313223020 is an apocalyptic number.

13313223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13313223020 is an abundant number, since it is smaller than the sum of its proper divisors (14693704180).

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

13313223020 is a wasteful number, since it uses less digits than its factorization.

13313223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170457 (or 1170455 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13313223020 its reverse (2032231331), we get a palindrome (15345454351).

The spelling of 13313223020 in words is "thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, twenty".