20440117707 has 16 divisors (see below), whose sum is σ = 27749287680. Its totient is φ = 13379411232.

The previous prime is 20440117697. The next prime is 20440117721. The reversal of 20440117707 is 70771104402.

It is not a de Polignac number, because 20440117707 - 2¹⁵ = 20440084939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20440117307) 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 15 ways as a sum of consecutive naturals, for example, 75513 + ... + 215829.

It is an arithmetic number, because the mean of its divisors is an integer number (1734330480).

Almost surely, 2^20440117707 is an apocalyptic number.

20440117707 is a deficient number, since it is larger than the sum of its proper divisors (7309169973).

20440117707 is a wasteful number, since it uses less digits than its factorization.

20440117707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141202.

The product of its (nonzero) digits is 10976, while the sum is 33.

The spelling of 20440117707 in words is "twenty billion, four hundred forty million, one hundred seventeen thousand, seven hundred seven".