20113201103320 has 192 divisors, whose sum is σ = 50227329942720. Its totient is φ = 7242639685632.

The previous prime is 20113201103299. The next prime is 20113201103323. The reversal of 20113201103320 is 2330110231102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113201103323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59664682 + ... + 60000838.

It is an arithmetic number, because the mean of its divisors is an integer number (261600676785).

Almost surely, 2^{20113201103320} is an apocalyptic number.

20113201103320 is a gapful number since it is divisible by the number (20) 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 20113201103320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25113664971360).

20113201103320 is an abundant number, since it is smaller than the sum of its proper divisors (30114128839400).

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

20113201103320 is a wasteful number, since it uses less digits than its factorization.

20113201103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336414 (or 336397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20113201103320 its reverse (2330110231102), we get a palindrome (22443311334422).

The spelling of 20113201103320 in words is "twenty trillion, one hundred thirteen billion, two hundred one million, one hundred three thousand, three hundred twenty".