220555030332 has 72 divisors (see below), whose sum is σ = 644699341776. Its totient is φ = 58168357632.

The previous prime is 220555030309. The next prime is 220555030373. The reversal of 220555030332 is 233030555022.

It is a self number, because there is not a number n which added to its sum of digits gives 220555030332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14419033 + ... + 14434320.

Almost surely, 2^220555030332 is an apocalyptic number.

It is an amenable number.

220555030332 is an abundant number, since it is smaller than the sum of its proper divisors (424144311444).

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

220555030332 is a wasteful number, since it uses less digits than its factorization.

220555030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28853387 (or 28853378 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 220555030332 its reverse (233030555022), we get a palindrome (453585585354).

The spelling of 220555030332 in words is "two hundred twenty billion, five hundred fifty-five million, thirty thousand, three hundred thirty-two".