220445531004 has 48 divisors (see below), whose sum is σ = 523398861440. Its totient is φ = 72195157440.

The previous prime is 220445530937. The next prime is 220445531021. The reversal of 220445531004 is 400135544022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475827 + ... + 816885.

Almost surely, 2^220445531004 is an apocalyptic number.

It is an amenable number.

220445531004 is an abundant number, since it is smaller than the sum of its proper divisors (302953330436).

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

220445531004 is a wasteful number, since it uses less digits than its factorization.

220445531004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342010 (or 342008 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 220445531004 in words is "two hundred twenty billion, four hundred forty-five million, five hundred thirty-one thousand, four".