21033132003320 has 64 divisors (see below), whose sum is σ = 47857882212000. Its totient is φ = 8318443972608.

The previous prime is 21033132003287. The next prime is 21033132003463. The reversal of 21033132003320 is 2330023133012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130902791 + ... + 131063369.

Almost surely, 2^{21033132003320} is an apocalyptic number.

21033132003320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033132003320 is an abundant number, since it is smaller than the sum of its proper divisors (26824750208680).

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

21033132003320 is a wasteful number, since it uses less digits than its factorization.

21033132003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197472 (or 197468 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21033132003320 its reverse (2330023133012), we get a palindrome (23363155136332).

The spelling of 21033132003320 in words is "twenty-one trillion, thirty-three billion, one hundred thirty-two million, three thousand, three hundred twenty".