21132330302 has 8 divisors (see below), whose sum is σ = 31706000112. Its totient is φ = 10563663600.

The previous prime is 21132330283. The next prime is 21132330313. The reversal of 21132330302 is 20303323112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21132330302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1240199 + ... + 1257122.

It is an arithmetic number, because the mean of its divisors is an integer number (3963250014).

Almost surely, 2^21132330302 is an apocalyptic number.

21132330302 is a deficient number, since it is larger than the sum of its proper divisors (10573669810).

21132330302 is a wasteful number, since it uses less digits than its factorization.

21132330302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501554.

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

Adding to 21132330302 its reverse (20303323112), we get a palindrome (41435653414).

The spelling of 21132330302 in words is "twenty-one billion, one hundred thirty-two million, three hundred thirty thousand, three hundred two".