232920132221 has 16 divisors (see below), whose sum is σ = 269549280000. Its totient is φ = 197140808448.

The previous prime is 232920132157. The next prime is 232920132227. The reversal of 232920132221 is 122231029232.

It is a cyclic number.

It is not a de Polignac number, because 232920132221 - 2⁶ = 232920132157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232920132227) 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, 211196 + ... + 714453.

It is an arithmetic number, because the mean of its divisors is an integer number (16846830000).

Almost surely, 2^232920132221 is an apocalyptic number.

It is an amenable number.

232920132221 is a deficient number, since it is larger than the sum of its proper divisors (36629147779).

232920132221 is a wasteful number, since it uses less digits than its factorization.

232920132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926108.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 232920132221 in words is "two hundred thirty-two billion, nine hundred twenty million, one hundred thirty-two thousand, two hundred twenty-one".