20120333321232 has 160 divisors (see below), whose sum is σ = 61157656195200. Its totient is φ = 6311474491392.

The previous prime is 20120333321189. The next prime is 20120333321261. The reversal of 20120333321232 is 23212333302102.

20120333321232 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 0 + 333 + 321 + 2 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20120333321196 and 20120333321205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60193668 + ... + 60527004.

It is an arithmetic number, because the mean of its divisors is an integer number (382235351220).

Almost surely, 2^{20120333321232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120333321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30578828097600).

20120333321232 is an abundant number, since it is smaller than the sum of its proper divisors (41037322873968).

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

20120333321232 is a wasteful number, since it uses less digits than its factorization.

20120333321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341590 (or 341578 counting only the distinct ones).

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

Adding to 20120333321232 its reverse (23212333302102), we get a palindrome (43332666623334).

The spelling of 20120333321232 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-three million, three hundred twenty-one thousand, two hundred thirty-two".