220847851508 has 12 divisors (see below), whose sum is σ = 406824989760. Its totient is φ = 104612140152.

The previous prime is 220847851439. The next prime is 220847851537. The reversal of 220847851508 is 805158748022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452946316 + ... + 1452946467.

It is an arithmetic number, because the mean of its divisors is an integer number (33902082480).

Almost surely, 2^220847851508 is an apocalyptic number.

It is an amenable number.

220847851508 is a deficient number, since it is larger than the sum of its proper divisors (185977138252).

220847851508 is a wasteful number, since it uses less digits than its factorization.

220847851508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905892806 (or 2905892804 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 50.

The spelling of 220847851508 in words is "two hundred twenty billion, eight hundred forty-seven million, eight hundred fifty-one thousand, five hundred eight".