13203422120 has 64 divisors (see below), whose sum is σ = 34003497600. Its totient is φ = 4519975680.

The previous prime is 13203422119. The next prime is 13203422131. The reversal of 13203422120 is 2122430231.

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 = 13203422092 and 13203422101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149411 + ... + 220749.

It is an arithmetic number, because the mean of its divisors is an integer number (531304650).

Almost surely, 2^13203422120 is an apocalyptic number.

13203422120 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 13203422120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17001748800).

13203422120 is an abundant number, since it is smaller than the sum of its proper divisors (20800075480).

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

13203422120 is a wasteful number, since it uses less digits than its factorization.

13203422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72018 (or 72014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13203422120 its reverse (2122430231), we get a palindrome (15325852351).

The spelling of 13203422120 in words is "thirteen billion, two hundred three million, four hundred twenty-two thousand, one hundred twenty".