20201404441 has 4 divisors (see below), whose sum is σ = 20201818932. Its totient is φ = 20200989952.

The previous prime is 20201404423. The next prime is 20201404463. The reversal of 20201404441 is 14440410202.

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 9585193216 + 10616211225 = 97904^2 + 103035^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201404441 - 2⁷ = 20201404313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201404471) 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, 122620 + ... + 235453.

It is an arithmetic number, because the mean of its divisors is an integer number (5050454733).

Almost surely, 2^20201404441 is an apocalyptic number.

It is an amenable number.

20201404441 is a deficient number, since it is larger than the sum of its proper divisors (414491).

20201404441 is an equidigital number, since it uses as much as digits as its factorization.

20201404441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414490.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20201404441 its reverse (14440410202), we get a palindrome (34641814643).

The spelling of 20201404441 in words is "twenty billion, two hundred one million, four hundred four thousand, four hundred forty-one".