21300323330 has 96 divisors (see below), whose sum is σ = 45532960704. Its totient is φ = 7126416000.

The previous prime is 21300323279. The next prime is 21300323339. The reversal of 21300323330 is 3332300312.

It is not an unprimeable number, because it can be changed into a prime (21300323339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5204585 + ... + 5208675.

It is an arithmetic number, because the mean of its divisors is an integer number (474301674).

Almost surely, 2^21300323330 is an apocalyptic number.

21300323330 is an abundant number, since it is smaller than the sum of its proper divisors (24232637374).

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

21300323330 is a wasteful number, since it uses less digits than its factorization.

21300323330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464 (or 4453 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 21300323330 its reverse (3332300312), we get a palindrome (24632623642).

The spelling of 21300323330 in words is "twenty-one billion, three hundred million, three hundred twenty-three thousand, three hundred thirty".