220132312 has 8 divisors (see below), whose sum is σ = 412748100. Its totient is φ = 110066152.

The previous prime is 220132307. The next prime is 220132327. The reversal of 220132312 is 213231022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13758262 + ... + 13758277.

Almost surely, 2^220132312 is an apocalyptic number.

It is an amenable number.

220132312 is a deficient number, since it is larger than the sum of its proper divisors (192615788).

220132312 is a wasteful number, since it uses less digits than its factorization.

220132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27516545 (or 27516541 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 220132312 is about 14836.8565403862. The cubic root of 220132312 is about 603.8020710176.

Adding to 220132312 its reverse (213231022), we get a palindrome (433363334).

The spelling of 220132312 in words is "two hundred twenty million, one hundred thirty-two thousand, three hundred twelve".