220301453 has 8 divisors (see below), whose sum is σ = 235666872. Its totient is φ = 205203456.

The previous prime is 220301449. The next prime is 220301461. The reversal of 220301453 is 354103022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81956809 + 138344644 = 9053^2 + 11762^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220301453 - 2² = 220301449 is a prime.

It is a super-2 number, since 2×220301453² = 97065460387822418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220301423) 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 7 ways as a sum of consecutive naturals, for example, 65150 + ... + 68447.

It is an arithmetic number, because the mean of its divisors is an integer number (29458359).

Almost surely, 2^220301453 is an apocalyptic number.

It is an amenable number.

220301453 is a deficient number, since it is larger than the sum of its proper divisors (15365419).

220301453 is a wasteful number, since it uses less digits than its factorization.

220301453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133711.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 220301453 is about 14842.5554740415. Note that the first 3 decimals coincide. The cubic root of 220301453 is about 603.9566773380.

Adding to 220301453 its reverse (354103022), we get a palindrome (574404475).

The spelling of 220301453 in words is "two hundred twenty million, three hundred one thousand, four hundred fifty-three".