220565771604448 has 12 divisors (see below), whose sum is σ = 434238862846320. Its totient is φ = 110282885802208.

The previous prime is 220565771604439. The next prime is 220565771604473. The reversal of 220565771604448 is 844406177565022.

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 as a sum of consecutive naturals, namely, 3446340181288 + ... + 3446340181351.

It is an arithmetic number, because the mean of its divisors is an integer number (36186571903860).

Almost surely, 2^{220565771604448} is an apocalyptic number.

It is an amenable number.

220565771604448 is a deficient number, since it is larger than the sum of its proper divisors (213673091241872).

220565771604448 is an equidigital number, since it uses as much as digits as its factorization.

220565771604448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892680362649 (or 6892680362641 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 61.

The spelling of 220565771604448 in words is "two hundred twenty trillion, five hundred sixty-five billion, seven hundred seventy-one million, six hundred four thousand, four hundred forty-eight".