220131221330 has 32 divisors (see below), whose sum is σ = 412510425840. Its totient is φ = 84474673920.

The previous prime is 220131221311. The next prime is 220131221351. The reversal of 220131221330 is 33122131022.

It can be written as a sum of positive squares in 8 ways, for example, as 37435671289 + 182695550041 = 193483^2 + 427429^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371901 + ... + 2462960.

Almost surely, 2^220131221330 is an apocalyptic number.

220131221330 is a deficient number, since it is larger than the sum of its proper divisors (192379204510).

220131221330 is a wasteful number, since it uses less digits than its factorization.

220131221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835054.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220131221330 its reverse (33122131022), we get a palindrome (253253352352).

The spelling of 220131221330 in words is "two hundred twenty billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty".