220123132 has 12 divisors (see below), whose sum is σ = 405490120. Its totient is φ = 104268816.

The previous prime is 220123129. The next prime is 220123139. The reversal of 220123132 is 231321022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448103 + ... + 1448254.

Almost surely, 2^220123132 is an apocalyptic number.

It is an amenable number.

220123132 is a deficient number, since it is larger than the sum of its proper divisors (185366988).

220123132 is a wasteful number, since it uses less digits than its factorization.

220123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896380 (or 2896378 counting only the distinct ones).

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

The square root of 220123132 is about 14836.5471724387. The cubic root of 220123132 is about 603.7936776109.

Adding to 220123132 its reverse (231321022), we get a palindrome (451444154).

The spelling of 220123132 in words is "two hundred twenty million, one hundred twenty-three thousand, one hundred thirty-two".