21330203130120 has 64 divisors (see below), whose sum is σ = 63992241069120. Its totient is φ = 5687909129984.

The previous prime is 21330203130107. The next prime is 21330203130121. The reversal of 21330203130120 is 2103130203312.

It is not an unprimeable number, because it can be changed into a prime (21330203130121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501122 + ... + 6993998.

It is an arithmetic number, because the mean of its divisors is an integer number (999878766705).

Almost surely, 2^{21330203130120} is an apocalyptic number.

21330203130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21330203130120 is an abundant number, since it is smaller than the sum of its proper divisors (42662037939000).

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

21330203130120 is a wasteful number, since it uses less digits than its factorization.

21330203130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532454 (or 4532450 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21330203130120 its reverse (2103130203312), we get a palindrome (23433333333432).

The spelling of 21330203130120 in words is "twenty-one trillion, three hundred thirty billion, two hundred three million, one hundred thirty thousand, one hundred twenty".