220784208325316 has 6 divisors (see below), whose sum is σ = 386372364569310. Its totient is φ = 110392104162656.

The previous prime is 220784208325297. The next prime is 220784208325363. The reversal of 220784208325316 is 613523802487022.

It can be written as a sum of positive squares in only one way, i.e., 140587168446916 + 80197039878400 = 11856946^2 + 8955280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27598026040661 + ... + 27598026040668.

It is an arithmetic number, because the mean of its divisors is an integer number (64395394094885).

Almost surely, 2^{220784208325316} is an apocalyptic number.

It is an amenable number.

220784208325316 is a deficient number, since it is larger than the sum of its proper divisors (165588156243994).

220784208325316 is a wasteful number, since it uses less digits than its factorization.

220784208325316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55196052081333 (or 55196052081331 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 220784208325316 in words is "two hundred twenty trillion, seven hundred eighty-four billion, two hundred eight million, three hundred twenty-five thousand, three hundred sixteen".