220311404444441 has 4 divisors (see below), whose sum is σ = 220311965128500. Its totient is φ = 220310843760384.

The previous prime is 220311404444387. The next prime is 220311404444473. The reversal of 220311404444441 is 144444404113022.

220311404444441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48279220305625 + 172032184138816 = 6948325^2 + 13116104^2 .

It is a cyclic number.

It is not a de Polignac number, because 220311404444441 - 2⁴² = 215913357933337 is a prime.

It is a super-2 number, since 2×220311404444441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220311404444395 and 220311404444404.

It is not an unprimeable number, because it can be changed into a prime (220311404444641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279752216 + ... + 280538633.

It is an arithmetic number, because the mean of its divisors is an integer number (55077991282125).

Almost surely, 2^{220311404444441} is an apocalyptic number.

It is an amenable number.

220311404444441 is a deficient number, since it is larger than the sum of its proper divisors (560684059).

220311404444441 is an equidigital number, since it uses as much as digits as its factorization.

220311404444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560684058.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 220311404444441 its reverse (144444404113022), we get a palindrome (364755808557463).

The spelling of 220311404444441 in words is "two hundred twenty trillion, three hundred eleven billion, four hundred four million, four hundred forty-four thousand, four hundred forty-one".