220775575100 has 72 divisors (see below), whose sum is σ = 498533925120. Its totient is φ = 84794431680.

The previous prime is 220775575093. The next prime is 220775575123. The reversal of 220775575100 is 1575577022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181412 + ... + 688811.

Almost surely, 2^220775575100 is an apocalyptic number.

220775575100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220775575100 is an abundant number, since it is smaller than the sum of its proper divisors (277758350020).

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

220775575100 is a wasteful number, since it uses less digits than its factorization.

220775575100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870339 (or 870332 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 41.

The spelling of 220775575100 in words is "two hundred twenty billion, seven hundred seventy-five million, five hundred seventy-five thousand, one hundred".