21133002332 has 24 divisors (see below), whose sum is σ = 40114124400. Its totient is φ = 9683519616.

The previous prime is 21133002313. The next prime is 21133002367. The reversal of 21133002332 is 23320033112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454657 + ... + 1469112.

It is an arithmetic number, because the mean of its divisors is an integer number (1671421850).

Almost surely, 2^21133002332 is an apocalyptic number.

It is an amenable number.

21133002332 is a deficient number, since it is larger than the sum of its proper divisors (18981122068).

21133002332 is a wasteful number, since it uses less digits than its factorization.

21133002332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923925 (or 2923923 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21133002332 its reverse (23320033112), we get a palindrome (44453035444).

The spelling of 21133002332 in words is "twenty-one billion, one hundred thirty-three million, two thousand, three hundred thirty-two".