220455020365 has 8 divisors (see below), whose sum is σ = 264550744728. Its totient is φ = 176360869440.

The previous prime is 220455020297. The next prime is 220455020369. The reversal of 220455020365 is 563020554022.

It can be written as a sum of positive squares in 4 ways, for example, as 67978047076 + 152476973289 = 260726^2 + 390483^2 .

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

It is not a de Polignac number, because 220455020365 - 2⁷ = 220455020237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220455020365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220455020369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59326 + ... + 666655.

It is an arithmetic number, because the mean of its divisors is an integer number (33068843091).

Almost surely, 2^220455020365 is an apocalyptic number.

It is an amenable number.

220455020365 is a deficient number, since it is larger than the sum of its proper divisors (44095724363).

220455020365 is an equidigital number, since it uses as much as digits as its factorization.

220455020365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786719.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 220455020365 its reverse (563020554022), we get a palindrome (783475574387).

The spelling of 220455020365 in words is "two hundred twenty billion, four hundred fifty-five million, twenty thousand, three hundred sixty-five".