220423208 has 48 divisors (see below), whose sum is σ = 434580540. Its totient is φ = 104716800.

The previous prime is 220423201. The next prime is 220423211. The reversal of 220423208 is 802324022.

It can be written as a sum of positive squares in 6 ways, for example, as 219573124 + 850084 = 14818^2 + 922^2 .

It is a super-2 number, since 2×220423208² = 97172781250022528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220423201) 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 11 ways as a sum of consecutive naturals, for example, 2182358 + ... + 2182458.

Almost surely, 2^220423208 is an apocalyptic number.

It is an amenable number.

220423208 is a deficient number, since it is larger than the sum of its proper divisors (214157332).

220423208 is a wasteful number, since it uses less digits than its factorization.

220423208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 220423208 is about 14846.6564586105. The cubic root of 220423208 is about 604.0679206692.

The spelling of 220423208 in words is "two hundred twenty million, four hundred twenty-three thousand, two hundred eight".