13420332120 has 64 divisors (see below), whose sum is σ = 43358001120. Its totient is φ = 3303465984.

The previous prime is 13420332067. The next prime is 13420332127. The reversal of 13420332120 is 2123302431.

It is a super-2 number, since 2×13420332120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420332127) 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, 4299829 + ... + 4302948.

Almost surely, 2^13420332120 is an apocalyptic number.

13420332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13420332120 is an abundant number, since it is smaller than the sum of its proper divisors (29937669000).

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

13420332120 is a wasteful number, since it uses less digits than its factorization.

13420332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602804 (or 8602800 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13420332120 its reverse (2123302431), we get a palindrome (15543634551).

The spelling of 13420332120 in words is "thirteen billion, four hundred twenty million, three hundred thirty-two thousand, one hundred twenty".