13220020120332 has 24 divisors (see below), whose sum is σ = 30847699411200. Its totient is φ = 4406532545296.

The previous prime is 13220020120303. The next prime is 13220020120393. The reversal of 13220020120332 is 23302102002231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13220020120299 and 13220020120308.

It is an unprimeable number.

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, 17212032 + ... + 17963687.

It is an arithmetic number, because the mean of its divisors is an integer number (1285320808800).

Almost surely, 2^{13220020120332} is an apocalyptic number.

13220020120332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13220020120332 is an abundant number, since it is smaller than the sum of its proper divisors (17627679290868).

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

13220020120332 is a wasteful number, since it uses less digits than its factorization.

13220020120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35207045 (or 35207043 counting only the distinct ones).

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

Adding to 13220020120332 its reverse (23302102002231), we get a palindrome (36522122122563).

The spelling of 13220020120332 in words is "thirteen trillion, two hundred twenty billion, twenty million, one hundred twenty thousand, three hundred thirty-two".