21330210032 has 30 divisors (see below), whose sum is σ = 42225364368. Its totient is φ = 10438170592.

The previous prime is 21330210023. The next prime is 21330210043. The reversal of 21330210032 is 23001203312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266408 + ... + 337095.

Almost surely, 2^21330210032 is an apocalyptic number.

It is an amenable number.

21330210032 is a deficient number, since it is larger than the sum of its proper divisors (20895154336).

21330210032 is an equidigital number, since it uses as much as digits as its factorization.

21330210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603605 (or 603552 counting only the distinct ones).

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

Adding to 21330210032 its reverse (23001203312), we get a palindrome (44331413344).

The spelling of 21330210032 in words is "twenty-one billion, three hundred thirty million, two hundred ten thousand, thirty-two".