21033230120 has 64 divisors (see below), whose sum is σ = 54826398720. Its totient is φ = 7112600064.

The previous prime is 21033230077. The next prime is 21033230137. The reversal of 21033230120 is 2103233012.

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 15 ways as a sum of consecutive naturals, for example, 494072 + ... + 534951.

It is an arithmetic number, because the mean of its divisors is an integer number (856662480).

Almost surely, 2^21033230120 is an apocalyptic number.

21033230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21033230120 is an abundant number, since it is smaller than the sum of its proper divisors (33793168600).

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

21033230120 is a wasteful number, since it uses less digits than its factorization.

21033230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029114 (or 1029110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21033230120 its reverse (2103233012), we get a palindrome (23136463132).

The spelling of 21033230120 in words is "twenty-one billion, thirty-three million, two hundred thirty thousand, one hundred twenty".