220620170 has 8 divisors (see below), whose sum is σ = 397116324. Its totient is φ = 88248064.

The previous prime is 220620167. The next prime is 220620173. The reversal of 220620170 is 71026022.

It is an interprime number because it is at equal distance from previous prime (220620167) and next prime (220620173).

It can be written as a sum of positive squares in 2 ways, for example, as 214710409 + 5909761 = 14653^2 + 2431^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220620173) 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, 11030999 + ... + 11031018.

Almost surely, 2^220620170 is an apocalyptic number.

220620170 is a deficient number, since it is larger than the sum of its proper divisors (176496154).

220620170 is a wasteful number, since it uses less digits than its factorization.

220620170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062024.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 220620170 is about 14853.2881881420. The cubic root of 220620170 is about 604.2477913313.

Adding to 220620170 its reverse (71026022), we get a palindrome (291646192).

The spelling of 220620170 in words is "two hundred twenty million, six hundred twenty thousand, one hundred seventy".