20332101321 has 24 divisors (see below), whose sum is σ = 33568117440. Its totient is φ = 11616954336.

The previous prime is 20332101313. The next prime is 20332101331. The reversal of 20332101321 is 12310123302.

20332101321 is a `hidden beast` number, since 2 + 0 + 332 + 10 + 1 + 321 = 666.

It is not a de Polignac number, because 20332101321 - 2³ = 20332101313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332101294 and 20332101303.

It is not an unprimeable number, because it can be changed into a prime (20332101311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758770 + ... + 785108.

It is an arithmetic number, because the mean of its divisors is an integer number (1398671560).

Almost surely, 2^20332101321 is an apocalyptic number.

20332101321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20332101321 is a deficient number, since it is larger than the sum of its proper divisors (13236016119).

20332101321 is a wasteful number, since it uses less digits than its factorization.

20332101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38605 (or 38602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20332101321 its reverse (12310123302), we get a palindrome (32642224623).

The spelling of 20332101321 in words is "twenty billion, three hundred thirty-two million, one hundred one thousand, three hundred twenty-one".