220688018005208 has 32 divisors (see below), whose sum is σ = 460986244513200. Its totient is φ = 98343732160128.

The previous prime is 220688018005181. The next prime is 220688018005249. The reversal of 220688018005208 is 802500810886022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36586206866 + ... + 36586212897.

Almost surely, 2^{220688018005208} is an apocalyptic number.

It is an amenable number.

220688018005208 is an abundant number, since it is smaller than the sum of its proper divisors (240298226507992).

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

220688018005208 is a wasteful number, since it uses less digits than its factorization.

220688018005208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73172419811 (or 73172419807 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 50.

The spelling of 220688018005208 in words is "two hundred twenty trillion, six hundred eighty-eight billion, eighteen million, five thousand, two hundred eight".