21333413132 has 12 divisors (see below), whose sum is σ = 37349090856. Its totient is φ = 10662244320.

The previous prime is 21333413083. The next prime is 21333413147. The reversal of 21333413132 is 23131433312.

It is a super-2 number, since 2×21333413132² (a number of 21 digits) contains 22 as substring.

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, 1104794 + ... + 1123937.

It is an arithmetic number, because the mean of its divisors is an integer number (3112424238).

Almost surely, 2^21333413132 is an apocalyptic number.

It is an amenable number.

21333413132 is a deficient number, since it is larger than the sum of its proper divisors (16015677724).

21333413132 is a wasteful number, since it uses less digits than its factorization.

21333413132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231128 (or 2231126 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 21333413132 its reverse (23131433312), we get a palindrome (44464846444).

The spelling of 21333413132 in words is "twenty-one billion, three hundred thirty-three million, four hundred thirteen thousand, one hundred thirty-two".