220470081 has 16 divisors (see below), whose sum is σ = 316989120. Its totient is φ = 135495360.

The previous prime is 220470067. The next prime is 220470083. The reversal of 220470081 is 180074022.

It is not a de Polignac number, because 220470081 - 2¹¹ = 220468033 is a prime.

It is a super-2 number, since 2×220470081² = 97214113232293122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220470083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30211 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (19811820).

Almost surely, 2^220470081 is an apocalyptic number.

It is an amenable number.

220470081 is a deficient number, since it is larger than the sum of its proper divisors (96519039).

220470081 is a wasteful number, since it uses less digits than its factorization.

220470081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 220470081 is about 14848.2349456089. The cubic root of 220470081 is about 604.1107359866.

The spelling of 220470081 in words is "two hundred twenty million, four hundred seventy thousand, eighty-one".