20313212233320 has 192 divisors, whose sum is σ = 66291671019600. Its totient is φ = 5394429480960.

The previous prime is 20313212233319. The next prime is 20313212233387. The reversal of 20313212233320 is 2333221231302.

20313212233320 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 321 + 2 + 2 + 3 + 332 + 0 = 666.

20313212233320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 743895900036 + 19569316333284 = 862494^2 + 4423722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119468526 + ... + 119638434.

Almost surely, 2^{20313212233320} is an apocalyptic number.

20313212233320 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 20313212233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33145835509800).

20313212233320 is an abundant number, since it is smaller than the sum of its proper divisors (45978458786280).

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

20313212233320 is a wasteful number, since it uses less digits than its factorization.

20313212233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171300 (or 171293 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20313212233320 its reverse (2333221231302), we get a palindrome (22646433464622).

The spelling of 20313212233320 in words is "twenty trillion, three hundred thirteen billion, two hundred twelve million, two hundred thirty-three thousand, three hundred twenty".