20332012040321 has 16 divisors (see below), whose sum is σ = 21456679569600. Its totient is φ = 19212806016000.

The previous prime is 20332012040317. The next prime is 20332012040323. The reversal of 20332012040321 is 12304021023302.

It is a cyclic number.

It is not a de Polignac number, because 20332012040321 - 2² = 20332012040317 is a prime.

It is a super-2 number, since 2×20332012040321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332012040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160080281 + ... + 160207241.

It is an arithmetic number, because the mean of its divisors is an integer number (1341042473100).

Almost surely, 2^{20332012040321} is an apocalyptic number.

It is an amenable number.

20332012040321 is a deficient number, since it is larger than the sum of its proper divisors (1124667529279).

20332012040321 is a wasteful number, since it uses less digits than its factorization.

20332012040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148400.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20332012040321 its reverse (12304021023302), we get a palindrome (32636033063623).

The spelling of 20332012040321 in words is "twenty trillion, three hundred thirty-two billion, twelve million, forty thousand, three hundred twenty-one".