21233302330 has 32 divisors (see below), whose sum is σ = 39188862720. Its totient is φ = 8279448000.

The previous prime is 21233302327. The next prime is 21233302333. The reversal of 21233302330 is 3320333212.

It is an interprime number because it is at equal distance from previous prime (21233302327) and next prime (21233302333).

It is not an unprimeable number, because it can be changed into a prime (21233302333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27976 + ... + 207964.

It is an arithmetic number, because the mean of its divisors is an integer number (1224651960).

Almost surely, 2^21233302330 is an apocalyptic number.

21233302330 is a deficient number, since it is larger than the sum of its proper divisors (17955560390).

21233302330 is a wasteful number, since it uses less digits than its factorization.

21233302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180294.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21233302330 its reverse (3320333212), we get a palindrome (24553635542).

The spelling of 21233302330 in words is "twenty-one billion, two hundred thirty-three million, three hundred two thousand, three hundred thirty".