21332020220000 has 720 divisors, whose sum is σ = 63277852730400. Its totient is φ = 6931212288000.

The previous prime is 21332020219987. The next prime is 21332020220029. The reversal of 21332020220000 is 2202023312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8368778726 + ... + 8368781274.

It is an arithmetic number, because the mean of its divisors is an integer number (87885906570).

Almost surely, 2^{21332020220000} is an apocalyptic number.

21332020220000 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 21332020220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31638926365200).

21332020220000 is an abundant number, since it is smaller than the sum of its proper divisors (41945832510400).

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

21332020220000 is a wasteful number, since it uses less digits than its factorization.

21332020220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21332020220000 its reverse (2202023312), we get a palindrome (21334222243312).

The spelling of 21332020220000 in words is "twenty-one trillion, three hundred thirty-two billion, twenty million, two hundred twenty thousand".