21233133304 has 16 divisors (see below), whose sum is σ = 41096387520. Its totient is φ = 10274096640.

The previous prime is 21233133301. The next prime is 21233133323. The reversal of 21233133304 is 40333133212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233133301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42808489 + ... + 42808984.

It is an arithmetic number, because the mean of its divisors is an integer number (2568524220).

Almost surely, 2^21233133304 is an apocalyptic number.

It is an amenable number.

21233133304 is a deficient number, since it is larger than the sum of its proper divisors (19863254216).

21233133304 is a wasteful number, since it uses less digits than its factorization.

21233133304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85617510 (or 85617506 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21233133304 its reverse (40333133212), we get a palindrome (61566266516).

The spelling of 21233133304 in words is "twenty-one billion, two hundred thirty-three million, one hundred thirty-three thousand, three hundred four".