220389509872 has 80 divisors (see below), whose sum is σ = 543906973440. Its totient is φ = 84217826304.

The previous prime is 220389509863. The next prime is 220389509897. The reversal of 220389509872 is 278905983022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3009898 + ... + 3082249.

It is an arithmetic number, because the mean of its divisors is an integer number (6798837168).

Almost surely, 2^220389509872 is an apocalyptic number.

It is an amenable number.

220389509872 is an abundant number, since it is smaller than the sum of its proper divisors (323517463568).

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

220389509872 is a wasteful number, since it uses less digits than its factorization.

220389509872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092198 (or 6092192 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 220389509872 in words is "two hundred twenty billion, three hundred eighty-nine million, five hundred nine thousand, eight hundred seventy-two".