220723798508 has 6 divisors (see below), whose sum is σ = 386266647396. Its totient is φ = 110361899252.

The previous prime is 220723798489. The next prime is 220723798531. The reversal of 220723798508 is 805897327022.

220723798508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220723798508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27590474810 + ... + 27590474817.

It is an arithmetic number, because the mean of its divisors is an integer number (64377774566).

Almost surely, 2^220723798508 is an apocalyptic number.

It is an amenable number.

220723798508 is a deficient number, since it is larger than the sum of its proper divisors (165542848888).

220723798508 is a wasteful number, since it uses less digits than its factorization.

220723798508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55180949631 (or 55180949629 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 220723798508 in words is "two hundred twenty billion, seven hundred twenty-three million, seven hundred ninety-eight thousand, five hundred eight".