21013332020132 has 96 divisors (see below), whose sum is σ = 39187696568832. Its totient is φ = 9846329366016.

The previous prime is 21013332020047. The next prime is 21013332020183. The reversal of 21013332020132 is 23102023331012.

It is a junction number, because it is equal to n+sod(n) for n = 21013332020098 and 21013332020107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153917333 + ... + 154053795.

It is an arithmetic number, because the mean of its divisors is an integer number (408205172592).

Almost surely, 2^{21013332020132} is an apocalyptic number.

It is an amenable number.

21013332020132 is a deficient number, since it is larger than the sum of its proper divisors (18174364548700).

21013332020132 is a wasteful number, since it uses less digits than its factorization.

21013332020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136917 (or 136915 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21013332020132 its reverse (23102023331012), we get a palindrome (44115355351144).

The spelling of 21013332020132 in words is "twenty-one trillion, thirteen billion, three hundred thirty-two million, twenty thousand, one hundred thirty-two".