220120023312 has 100 divisors (see below), whose sum is σ = 728104269376. Its totient is φ = 62891432640.

The previous prime is 220120023293. The next prime is 220120023317. The reversal of 220120023312 is 213320021022.

220120023312 is a `hidden beast` number, since 220 + 1 + 200 + 233 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220120023317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12122764 + ... + 12140907.

Almost surely, 2^220120023312 is an apocalyptic number.

It is an amenable number.

220120023312 is an abundant number, since it is smaller than the sum of its proper divisors (507984246064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220120023312 is a wasteful number, since it uses less digits than its factorization.

220120023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263698 (or 24263683 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220120023312 its reverse (213320021022), we get a palindrome (433440044334).

The spelling of 220120023312 in words is "two hundred twenty billion, one hundred twenty million, twenty-three thousand, three hundred twelve".