123320331022020 has 192 divisors, whose sum is σ = 381473874432000. Its totient is φ = 29516007306240.

The previous prime is 123320331021919. The next prime is 123320331022081. The reversal of 123320331022020 is 20220133023321.

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 63 ways as a sum of consecutive naturals, for example, 1462849831 + ... + 1462934129.

It is an arithmetic number, because the mean of its divisors is an integer number (1986843096000).

Almost surely, 2^{123320331022020} is an apocalyptic number.

123320331022020 is a gapful number since it is divisible by the number (10) 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 123320331022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190736937216000).

123320331022020 is an abundant number, since it is smaller than the sum of its proper divisors (258153543409980).

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

123320331022020 is a wasteful number, since it uses less digits than its factorization.

123320331022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112458 (or 112456 counting only the distinct ones).

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

Adding to 123320331022020 its reverse (20220133023321), we get a palindrome (143540464045341).

It can be divided in two parts, 1233203 and 31022020, that added together give a palindrome (32255223).

The spelling of 123320331022020 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred thirty-one million, twenty-two thousand, twenty".