220813092 has 36 divisors (see below), whose sum is σ = 558626796. Its totient is φ = 73543680.

The previous prime is 220813091. The next prime is 220813129. The reversal of 220813092 is 290318022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204604416 + 16208676 = 14304^2 + 4026^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (220813091) 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 11 ways as a sum of consecutive naturals, for example, 71092 + ... + 74132.

It is an arithmetic number, because the mean of its divisors is an integer number (15517411).

Almost surely, 2^220813092 is an apocalyptic number.

It is an amenable number.

220813092 is an abundant number, since it is smaller than the sum of its proper divisors (337813704).

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

220813092 is a wasteful number, since it uses less digits than its factorization.

220813092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 220813092 is about 14859.7810212668. The cubic root of 220813092 is about 604.4238688099.

The spelling of 220813092 in words is "two hundred twenty million, eight hundred thirteen thousand, ninety-two".