21020302330120 has 64 divisors (see below), whose sum is σ = 50926555094400. Its totient is φ = 7779398016000.

The previous prime is 21020302330063. The next prime is 21020302330133. The reversal of 21020302330120 is 2103320302012.

It is a super-2 number, since 2×21020302330120² (a number of 27 digits) contains 22 as substring.

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, 261927756 + ... + 262007995.

It is an arithmetic number, because the mean of its divisors is an integer number (795727423350).

Almost surely, 2^{21020302330120} is an apocalyptic number.

21020302330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21020302330120 is an abundant number, since it is smaller than the sum of its proper divisors (29906252764280).

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

21020302330120 is a wasteful number, since it uses less digits than its factorization.

21020302330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523935838 (or 523935834 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21020302330120 its reverse (2103320302012), we get a palindrome (23123622632132).

The spelling of 21020302330120 in words is "twenty-one trillion, twenty billion, three hundred two million, three hundred thirty thousand, one hundred twenty".