220021170084 has 36 divisors (see below), whose sum is σ = 556333408540. Its totient is φ = 73318132800.

The previous prime is 220021170079. The next prime is 220021170091. The reversal of 220021170084 is 480071120022.

220021170084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 34106702400 + 185914467684 = 184680^2 + 431178^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806899 + ... + 1044570.

Almost surely, 2^220021170084 is an apocalyptic number.

It is an amenable number.

220021170084 is an abundant number, since it is smaller than the sum of its proper divisors (336312238456).

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

220021170084 is a wasteful number, since it uses less digits than its factorization.

220021170084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854780 (or 1854775 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The spelling of 220021170084 in words is "two hundred twenty billion, twenty-one million, one hundred seventy thousand, eighty-four".