220254012253 has 6 divisors (see below), whose sum is σ = 242097385502. Its totient is φ = 200230920120.

The previous prime is 220254012169. The next prime is 220254012257. The reversal of 220254012253 is 352210452022.

It can be written as a sum of positive squares in only one way, i.e., 153505672804 + 66748339449 = 391798^2 + 258357^2 .

It is not a de Polignac number, because 220254012253 - 2³³ = 211664077661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220254012257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 910140426 + ... + 910140667.

Almost surely, 2^220254012253 is an apocalyptic number.

It is an amenable number.

220254012253 is a deficient number, since it is larger than the sum of its proper divisors (21843373249).

220254012253 is a wasteful number, since it uses less digits than its factorization.

220254012253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820281115 (or 1820281104 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 220254012253 its reverse (352210452022), we get a palindrome (572464464275).

The spelling of 220254012253 in words is "two hundred twenty billion, two hundred fifty-four million, twelve thousand, two hundred fifty-three".