220318715541 has 12 divisors (see below), whose sum is σ = 299405485568. Its totient is φ = 144107833584.

The previous prime is 220318715489. The next prime is 220318715543. The reversal of 220318715541 is 145517813022.

It is not a de Polignac number, because 220318715541 - 2¹⁴ = 220318699157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220318715541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220318715543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13063765 + ... + 13080618.

Almost surely, 2^220318715541 is an apocalyptic number.

It is an amenable number.

220318715541 is a deficient number, since it is larger than the sum of its proper divisors (79086770027).

220318715541 is an equidigital number, since it uses as much as digits as its factorization.

220318715541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26144492 (or 26144439 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 220318715541 in words is "two hundred twenty billion, three hundred eighteen million, seven hundred fifteen thousand, five hundred forty-one".