21332846120 has 32 divisors (see below), whose sum is σ = 49169612520. Its totient is φ = 8325012480.

The previous prime is 21332846111. The next prime is 21332846131. The reversal of 21332846120 is 2164823312.

It can be written as a sum of positive squares in 4 ways, for example, as 11148403396 + 10184442724 = 105586^2 + 100918^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6502277 + ... + 6505556.

Almost surely, 2^21332846120 is an apocalyptic number.

21332846120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332846120 is an abundant number, since it is smaller than the sum of its proper divisors (27836766400).

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

21332846120 is a wasteful number, since it uses less digits than its factorization.

21332846120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007885 (or 13007881 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 21332846120 in words is "twenty-one billion, three hundred thirty-two million, eight hundred forty-six thousand, one hundred twenty".