21332330120 has 32 divisors (see below), whose sum is σ = 48207360600. Its totient is φ = 8495666688.

The previous prime is 21332330101. The next prime is 21332330137. The reversal of 21332330120 is 2103323312.

It can be written as a sum of positive squares in 4 ways, for example, as 15656515876 + 5675814244 = 125126^2 + 75338^2 .

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 = 21332330092 and 21332330101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155269 + ... + 1173588.

Almost surely, 2^21332330120 is an apocalyptic number.

21332330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332330120 is an abundant number, since it is smaller than the sum of its proper divisors (26875030480).

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

21332330120 is a wasteful number, since it uses less digits than its factorization.

21332330120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329097 (or 2329093 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21332330120 its reverse (2103323312), we get a palindrome (23435653432).

The spelling of 21332330120 in words is "twenty-one billion, three hundred thirty-two million, three hundred thirty thousand, one hundred twenty".