20044300445 has 8 divisors (see below), whose sum is σ = 25903403736. Its totient is φ = 14801944896.

The previous prime is 20044300369. The next prime is 20044300499. The reversal of 20044300445 is 54400344002.

It can be written as a sum of positive squares in 4 ways, for example, as 500819641 + 19543480804 = 22379^2 + 139798^2 .

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 20044300445 - 2⁸ = 20044300189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154186862 + ... + 154186991.

It is an arithmetic number, because the mean of its divisors is an integer number (3237925467).

Almost surely, 2^20044300445 is an apocalyptic number.

It is an amenable number.

20044300445 is a deficient number, since it is larger than the sum of its proper divisors (5859103291).

20044300445 is a wasteful number, since it uses less digits than its factorization.

20044300445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308373871.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20044300445 its reverse (54400344002), we get a palindrome (74444644447).

The spelling of 20044300445 in words is "twenty billion, forty-four million, three hundred thousand, four hundred forty-five".