21202333132 has 12 divisors (see below), whose sum is σ = 37117071936. Its totient is φ = 10597455440.

The previous prime is 21202333129. The next prime is 21202333153. The reversal of 21202333132 is 23133320212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914908 + ... + 937795.

It is an arithmetic number, because the mean of its divisors is an integer number (3093089328).

Almost surely, 2^21202333132 is an apocalyptic number.

It is an amenable number.

21202333132 is a deficient number, since it is larger than the sum of its proper divisors (15914738804).

21202333132 is a wasteful number, since it uses less digits than its factorization.

21202333132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855568 (or 1855566 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21202333132 its reverse (23133320212), we get a palindrome (44335653344).

The spelling of 21202333132 in words is "twenty-one billion, two hundred two million, three hundred thirty-three thousand, one hundred thirty-two".