20332334231020 has 96 divisors (see below), whose sum is σ = 49421230387200. Its totient is φ = 6882017485824.

The previous prime is 20332334231017. The next prime is 20332334231021. The reversal of 20332334231020 is 2013243323302.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20332334231020.

It is not an unprimeable number, because it can be changed into a prime (20332334231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95706676 + ... + 95918884.

It is an arithmetic number, because the mean of its divisors is an integer number (514804483200).

Almost surely, 2^{20332334231020} is an apocalyptic number.

20332334231020 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 20332334231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24710615193600).

20332334231020 is an abundant number, since it is smaller than the sum of its proper divisors (29088896156180).

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

20332334231020 is a wasteful number, since it uses less digits than its factorization.

20332334231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220967 (or 220965 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20332334231020 its reverse (2013243323302), we get a palindrome (22345577554322).

The spelling of 20332334231020 in words is "twenty trillion, three hundred thirty-two billion, three hundred thirty-four million, two hundred thirty-one thousand, twenty".