21332023133120 has 336 divisors, whose sum is σ = 61455607482240. Its totient is φ = 7026072109056.

The previous prime is 21332023133119. The next prime is 21332023133131. The reversal of 21332023133120 is 2133132023312.

It is a self number, because there is not a number n which added to its sum of digits gives 21332023133120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45599924 + ... + 46065356.

Almost surely, 2^{21332023133120} is an apocalyptic number.

21332023133120 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 21332023133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30727803741120).

21332023133120 is an abundant number, since it is smaller than the sum of its proper divisors (40123584349120).

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

21332023133120 is a wasteful number, since it uses less digits than its factorization.

21332023133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465580 (or 465563 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21332023133120 its reverse (2133132023312), we get a palindrome (23465155156432).

The spelling of 21332023133120 in words is "twenty-one trillion, three hundred thirty-two billion, twenty-three million, one hundred thirty-three thousand, one hundred twenty".