20132230331 has 8 divisors (see below), whose sum is σ = 22051530720. Its totient is φ = 18294602368.

The previous prime is 20132230319. The next prime is 20132230421. The reversal of 20132230331 is 13303223102.

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

It is a cyclic number.

It is not a de Polignac number, because 20132230331 - 2⁶ = 20132230267 is a prime.

It is a super-2 number, since 2×20132230331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132230631) 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 7 ways as a sum of consecutive naturals, for example, 20417591 + ... + 20418576.

It is an arithmetic number, because the mean of its divisors is an integer number (2756441340).

Almost surely, 2^20132230331 is an apocalyptic number.

20132230331 is a deficient number, since it is larger than the sum of its proper divisors (1919300389).

20132230331 is a wasteful number, since it uses less digits than its factorization.

20132230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40836213.

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

Adding to 20132230331 its reverse (13303223102), we get a palindrome (33435453433).

The spelling of 20132230331 in words is "twenty billion, one hundred thirty-two million, two hundred thirty thousand, three hundred thirty-one".