20444035361 has 8 divisors (see below), whose sum is σ = 20483835624. Its totient is φ = 20404275840.

The previous prime is 20444035333. The next prime is 20444035387. The reversal of 20444035361 is 16353044402.

It can be written as a sum of positive squares in 4 ways, for example, as 39627025 + 20404408336 = 6295^2 + 142844^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20444035361 - 2²² = 20439841057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20444035301) 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, 1110911 + ... + 1129163.

It is an arithmetic number, because the mean of its divisors is an integer number (2560479453).

Almost surely, 2^20444035361 is an apocalyptic number.

It is an amenable number.

20444035361 is a deficient number, since it is larger than the sum of its proper divisors (39800263).

20444035361 is a wasteful number, since it uses less digits than its factorization.

20444035361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20371.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 20444035361 its reverse (16353044402), we get a palindrome (36797079763).

The spelling of 20444035361 in words is "twenty billion, four hundred forty-four million, thirty-five thousand, three hundred sixty-one".