220384902 has 16 divisors (see below), whose sum is σ = 441188352. Its totient is φ = 73391880.

The previous prime is 220384861. The next prime is 220384903. The reversal of 220384902 is 209483022.

It is a self number, because there is not a number n which added to its sum of digits gives 220384902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220384903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10374 + ... + 23417.

It is an arithmetic number, because the mean of its divisors is an integer number (27574272).

Almost surely, 2^220384902 is an apocalyptic number.

220384902 is an abundant number, since it is smaller than the sum of its proper divisors (220803450).

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

220384902 is a wasteful number, since it uses less digits than its factorization.

220384902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34883.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 220384902 is about 14845.3663477868. The cubic root of 220384902 is about 604.0329262199.

The spelling of 220384902 in words is "two hundred twenty million, three hundred eighty-four thousand, nine hundred two".