220042884 has 12 divisors (see below), whose sum is σ = 513433424. Its totient is φ = 73347624.

The previous prime is 220042873. The next prime is 220042891. The reversal of 220042884 is 488240022.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9168442 + ... + 9168465.

Almost surely, 2^220042884 is an apocalyptic number.

It is an amenable number.

220042884 is an abundant number, since it is smaller than the sum of its proper divisors (293390540).

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

220042884 is a wasteful number, since it uses less digits than its factorization.

220042884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336914 (or 18336912 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 220042884 is about 14833.8425230956. The cubic root of 220042884 is about 603.7202957665.

The spelling of 220042884 in words is "two hundred twenty million, forty-two thousand, eight hundred eighty-four".