20332112311320 has 384 divisors, whose sum is σ = 66573202924800. Its totient is φ = 4953732360192.

The previous prime is 20332112311309. The next prime is 20332112311327. The reversal of 20332112311320 is 2311321123302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332112311327) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1815847962 + ... + 1815859158.

It is an arithmetic number, because the mean of its divisors is an integer number (173367715950).

Almost surely, 2^{20332112311320} is an apocalyptic number.

20332112311320 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 20332112311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33286601462400).

20332112311320 is an abundant number, since it is smaller than the sum of its proper divisors (46241090613480).

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

20332112311320 is a wasteful number, since it uses less digits than its factorization.

20332112311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12235 (or 12202 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20332112311320 its reverse (2311321123302), we get a palindrome (22643433434622).

The spelling of 20332112311320 in words is "twenty trillion, three hundred thirty-two billion, one hundred twelve million, three hundred eleven thousand, three hundred twenty".