21303330033000 has 128 divisors (see below), whose sum is σ = 66751655368320. Its totient is φ = 5656506329600.

The previous prime is 21303330032993. The next prime is 21303330033019. The reversal of 21303330033000 is 33003330312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14539434 + ... + 15937433.

It is an arithmetic number, because the mean of its divisors is an integer number (521497307565).

Almost surely, 2^{21303330033000} is an apocalyptic number.

21303330033000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21303330033000 is an abundant number, since it is smaller than the sum of its proper divisors (45448325335320).

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

21303330033000 is a wasteful number, since it uses less digits than its factorization.

21303330033000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30477124 (or 30477110 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 21303330033000 its reverse (33003330312), we get a palindrome (21336333363312).

The spelling of 21303330033000 in words is "twenty-one trillion, three hundred three billion, three hundred thirty million, thirty-three thousand".