21020132011232 has 12 divisors (see below), whose sum is σ = 41383384897176. Its totient is φ = 10510066005600.

The previous prime is 21020132011159. The next prime is 21020132011243. The reversal of 21020132011232 is 23211023102012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328439562644 + ... + 328439562707.

It is an arithmetic number, because the mean of its divisors is an integer number (3448615408098).

Almost surely, 2^{21020132011232} is an apocalyptic number.

It is an amenable number.

21020132011232 is a deficient number, since it is larger than the sum of its proper divisors (20363252885944).

21020132011232 is an equidigital number, since it uses as much as digits as its factorization.

21020132011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656879125361 (or 656879125353 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21020132011232 its reverse (23211023102012), we get a palindrome (44231155113244).

The spelling of 21020132011232 in words is "twenty-one trillion, twenty billion, one hundred thirty-two million, eleven thousand, two hundred thirty-two".