220144097 has 4 divisors (see below), whose sum is σ = 220196100. Its totient is φ = 220092096.

The previous prime is 220144079. The next prime is 220144103. The reversal of 220144097 is 790441022.

220144097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123298816 + 96845281 = 11104^2 + 9841^2 .

It is a cyclic number.

It is not a de Polignac number, because 220144097 - 2¹² = 220140001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220144297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19028 + ... + 28325.

It is an arithmetic number, because the mean of its divisors is an integer number (55049025).

Almost surely, 2^220144097 is an apocalyptic number.

It is an amenable number.

220144097 is a deficient number, since it is larger than the sum of its proper divisors (52003).

220144097 is an equidigital number, since it uses as much as digits as its factorization.

220144097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002.

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

The square root of 220144097 is about 14837.2536879303. The cubic root of 220144097 is about 603.8128458714.

The spelling of 220144097 in words is "two hundred twenty million, one hundred forty-four thousand, ninety-seven".