20332300221020 has 96 divisors (see below), whose sum is σ = 45306204128640. Its totient is φ = 7638148546560.

The previous prime is 20332300221007. The next prime is 20332300221113. The reversal of 20332300221020 is 2012200323302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20332300220983 and 20332300221001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382958636 + ... + 383011724.

It is an arithmetic number, because the mean of its divisors is an integer number (471939626340).

Almost surely, 2^{20332300221020} is an apocalyptic number.

20332300221020 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 20332300221020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22653102064320).

20332300221020 is an abundant number, since it is smaller than the sum of its proper divisors (24973903907620).

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

20332300221020 is a wasteful number, since it uses less digits than its factorization.

20332300221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55503 (or 55501 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20332300221020 its reverse (2012200323302), we get a palindrome (22344500544322).

The spelling of 20332300221020 in words is "twenty trillion, three hundred thirty-two billion, three hundred million, two hundred twenty-one thousand, twenty".