220168370 has 8 divisors (see below), whose sum is σ = 396303084. Its totient is φ = 88067344.

The previous prime is 220168367. The next prime is 220168379. The reversal of 220168370 is 73861022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214827649 + 5340721 = 14657^2 + 2311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×220168370² = 96948222296913800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220168379) 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 3 ways as a sum of consecutive naturals, for example, 11008409 + ... + 11008428.

Almost surely, 2^220168370 is an apocalyptic number.

220168370 is a deficient number, since it is larger than the sum of its proper divisors (176134714).

220168370 is a wasteful number, since it uses less digits than its factorization.

220168370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016844.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 220168370 is about 14838.0716402099. The cubic root of 220168370 is about 603.8350371100.

The spelling of 220168370 in words is "two hundred twenty million, one hundred sixty-eight thousand, three hundred seventy".