220445530986 has 32 divisors (see below), whose sum is σ = 458139548160. Its totient is φ = 70629822144.

The previous prime is 220445530937. The next prime is 220445531021. The reversal of 220445530986 is 689035544022.

It is a happy number.

It is a super-2 number, since 2×220445530986² (a number of 23 digits) contains 22 as substring.

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, 2801845 + ... + 2879448.

It is an arithmetic number, because the mean of its divisors is an integer number (14316860880).

Almost surely, 2^220445530986 is an apocalyptic number.

220445530986 is an abundant number, since it is smaller than the sum of its proper divisors (237694017174).

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

220445530986 is a wasteful number, since it uses less digits than its factorization.

220445530986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681550.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 220445530986 in words is "two hundred twenty billion, four hundred forty-five million, five hundred thirty thousand, nine hundred eighty-six".