21332033134300 has 144 divisors (see below), whose sum is σ = 52988626010880. Its totient is φ = 7302073443840.

The previous prime is 21332033134297. The next prime is 21332033134387. The reversal of 21332033134300 is 343133023312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1157641687 + ... + 1157660113.

It is an arithmetic number, because the mean of its divisors is an integer number (367976569520).

Almost surely, 2^{21332033134300} is an apocalyptic number.

21332033134300 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 21332033134300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26494313005440).

21332033134300 is an abundant number, since it is smaller than the sum of its proper divisors (31656592876580).

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

21332033134300 is a wasteful number, since it uses less digits than its factorization.

21332033134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020 (or 21013 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21332033134300 its reverse (343133023312), we get a palindrome (21675166157612).

The spelling of 21332033134300 in words is "twenty-one trillion, three hundred thirty-two billion, thirty-three million, one hundred thirty-four thousand, three hundred".