220131221308 has 12 divisors (see below), whose sum is σ = 385268497432. Its totient is φ = 110054507760.

The previous prime is 220131221267. The next prime is 220131221311. The reversal of 220131221308 is 803122131022.

220131221308 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731035 + ... + 2810482.

Almost surely, 2^220131221308 is an apocalyptic number.

It is an amenable number.

220131221308 is a deficient number, since it is larger than the sum of its proper divisors (165137276124).

220131221308 is a wasteful number, since it uses less digits than its factorization.

220131221308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551452 (or 5551450 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 220131221308 in words is "two hundred twenty billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred eight".