220585555064 has 64 divisors (see below), whose sum is σ = 503859840000. Its totient is φ = 88427334528.

The previous prime is 220585555031. The next prime is 220585555103. The reversal of 220585555064 is 460555585022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228079 + ... + 1396190.

It is an arithmetic number, because the mean of its divisors is an integer number (7872810000).

Almost surely, 2^220585555064 is an apocalyptic number.

It is an amenable number.

220585555064 is an abundant number, since it is smaller than the sum of its proper divisors (283274284936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220585555064 is a wasteful number, since it uses less digits than its factorization.

220585555064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624380 (or 2624376 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 47.

The spelling of 220585555064 in words is "two hundred twenty billion, five hundred eighty-five million, five hundred fifty-five thousand, sixty-four".