220434452453 has 8 divisors (see below), whose sum is σ = 232040582400. Its totient is φ = 208828754208.

The previous prime is 220434452401. The next prime is 220434452509. The reversal of 220434452453 is 354254434022.

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 220434452453 - 2⁶ = 220434452389 is a prime.

It is a super-4 number, since 4×220434452453⁴ (a number of 46 digits) contains 4444 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 (220434452353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867025 + ... + 1981577.

It is an arithmetic number, because the mean of its divisors is an integer number (29005072800).

Almost surely, 2^220434452453 is an apocalyptic number.

It is an amenable number.

220434452453 is a deficient number, since it is larger than the sum of its proper divisors (11606129947).

220434452453 is a wasteful number, since it uses less digits than its factorization.

220434452453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215851.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 220434452453 its reverse (354254434022), we get a palindrome (574688886475).

The spelling of 220434452453 in words is "two hundred twenty billion, four hundred thirty-four million, four hundred fifty-two thousand, four hundred fifty-three".