220140160 has 96 divisors (see below), whose sum is σ = 546378300. Its totient is φ = 84811776.

The previous prime is 220140143. The next prime is 220140163. The reversal of 220140160 is 61041022.

It can be written as a sum of positive squares in 6 ways, for example, as 152374336 + 67765824 = 12344^2 + 8232^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (220140163) 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, 538036 + ... + 538444.

Almost surely, 2^220140160 is an apocalyptic number.

220140160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273189150).

220140160 is an abundant number, since it is smaller than the sum of its proper divisors (326238140).

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

220140160 is an equidigital number, since it uses as much as digits as its factorization.

220140160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220140160 is about 14837.1210145365. The cubic root of 220140160 is about 603.8092463724.

Adding to 220140160 its reverse (61041022), we get a palindrome (281181182).

The spelling of 220140160 in words is "two hundred twenty million, one hundred forty thousand, one hundred sixty".