220334400553 has 4 divisors (see below), whose sum is σ = 220392432900. Its totient is φ = 220276368208.

The previous prime is 220334400541. The next prime is 220334400569. The reversal of 220334400553 is 355004433022.

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 61701069609 + 158633330944 = 248397^2 + 398288^2 .

It is a cyclic number.

It is not a de Polignac number, because 220334400553 - 2²⁵ = 220300846121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220334400593) 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 3 ways as a sum of consecutive naturals, for example, 29010478 + ... + 29018071.

It is an arithmetic number, because the mean of its divisors is an integer number (55098108225).

Almost surely, 2^220334400553 is an apocalyptic number.

It is an amenable number.

220334400553 is a deficient number, since it is larger than the sum of its proper divisors (58032347).

220334400553 is an equidigital number, since it uses as much as digits as its factorization.

220334400553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58032346.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 220334400553 its reverse (355004433022), we get a palindrome (575338833575).

The spelling of 220334400553 in words is "two hundred twenty billion, three hundred thirty-four million, four hundred thousand, five hundred fifty-three".