220081146 has 16 divisors (see below), whose sum is σ = 441130944. Its totient is φ = 73198944.

The previous prime is 220081129. The next prime is 220081157. The reversal of 220081146 is 641180022.

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 7 ways as a sum of consecutive naturals, for example, 37390 + ... + 42873.

It is an arithmetic number, because the mean of its divisors is an integer number (27570684).

Almost surely, 2^220081146 is an apocalyptic number.

220081146 is an abundant number, since it is smaller than the sum of its proper divisors (221049798).

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

220081146 is a wasteful number, since it uses less digits than its factorization.

220081146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80725.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 220081146 is about 14835.1321531020. The cubic root of 220081146 is about 603.7552862295.

The spelling of 220081146 in words is "two hundred twenty million, eighty-one thousand, one hundred forty-six".