20440203027 has 8 divisors (see below), whose sum is σ = 27274851264. Its totient is φ = 13616178408.

The previous prime is 20440202999. The next prime is 20440203029. The reversal of 20440203027 is 72030204402.

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

It is not a de Polignac number, because 20440203027 - 2⁶ = 20440202963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20440202988 and 20440203006.

It is not an unprimeable number, because it can be changed into a prime (20440203029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651413 + ... + 2659110.

It is an arithmetic number, because the mean of its divisors is an integer number (3409356408).

Almost surely, 2^20440203027 is an apocalyptic number.

20440203027 is a deficient number, since it is larger than the sum of its proper divisors (6834648237).

20440203027 is a wasteful number, since it uses less digits than its factorization.

20440203027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311809.

The product of its (nonzero) digits is 2688, while the sum is 24.

Adding to 20440203027 its reverse (72030204402), we get a palindrome (92470407429).

The spelling of 20440203027 in words is "twenty billion, four hundred forty million, two hundred three thousand, twenty-seven".