220132232221 has 8 divisors (see below), whose sum is σ = 252783424800. Its totient is φ = 189587568240.

The previous prime is 220132232209. The next prime is 220132232249. The reversal of 220132232221 is 122232231022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220132232221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220132232192 and 220132232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220132232251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526631926 + ... + 526632343.

It is an arithmetic number, because the mean of its divisors is an integer number (31597928100).

Almost surely, 2^220132232221 is an apocalyptic number.

It is an amenable number.

220132232221 is a deficient number, since it is larger than the sum of its proper divisors (32651192579).

220132232221 is a wasteful number, since it uses less digits than its factorization.

220132232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053264299.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220132232221 its reverse (122232231022), we get a palindrome (342364463243).

The spelling of 220132232221 in words is "two hundred twenty billion, one hundred thirty-two million, two hundred thirty-two thousand, two hundred twenty-one".