20130332221320 has 64 divisors (see below), whose sum is σ = 60412589017920. Its totient is φ = 5366169272064.

The previous prime is 20130332221303. The next prime is 20130332221327. The reversal of 20130332221320 is 2312223303102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20130332221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29652342 + ... + 30323621.

It is an arithmetic number, because the mean of its divisors is an integer number (943946703405).

Almost surely, 2^{20130332221320} is an apocalyptic number.

20130332221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130332221320 is an abundant number, since it is smaller than the sum of its proper divisors (40282256796600).

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

20130332221320 is a wasteful number, since it uses less digits than its factorization.

20130332221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59978774 (or 59978770 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20130332221320 its reverse (2312223303102), we get a palindrome (22442555524422).

The spelling of 20130332221320 in words is "twenty trillion, one hundred thirty billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred twenty".