21033314120 has 192 divisors, whose sum is σ = 59933934720. Its totient is φ = 6501261312.

The previous prime is 21033314119. The next prime is 21033314161. The reversal of 21033314120 is 2141333012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 21033314092 and 21033314101.

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 47 ways as a sum of consecutive naturals, for example, 2029592 + ... + 2039928.

It is an arithmetic number, because the mean of its divisors is an integer number (312155910).

Almost surely, 2^21033314120 is an apocalyptic number.

21033314120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21033314120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29966967360).

21033314120 is an abundant number, since it is smaller than the sum of its proper divisors (38900620600).

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

21033314120 is a wasteful number, since it uses less digits than its factorization.

21033314120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424 (or 10407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21033314120 its reverse (2141333012), we get a palindrome (23174647132).

The spelling of 21033314120 in words is "twenty-one billion, thirty-three million, three hundred fourteen thousand, one hundred twenty".