220000001232 has 80 divisors (see below), whose sum is σ = 621546736320. Its totient is φ = 66500352000.

The previous prime is 220000001191. The next prime is 220000001233. The reversal of 220000001232 is 232100000022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000001233) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 307807 + ... + 731262.

It is an arithmetic number, because the mean of its divisors is an integer number (7769334204).

Almost surely, 2^220000001232 is an apocalyptic number.

220000001232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220000001232 is an abundant number, since it is smaller than the sum of its proper divisors (401546735088).

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

220000001232 is a wasteful number, since it uses less digits than its factorization.

220000001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039492 (or 1039486 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 220000001232 its reverse (232100000022), we get a palindrome (452100001254).

The spelling of 220000001232 in words is "two hundred twenty billion, one thousand, two hundred thirty-two".