20440714766 has 8 divisors (see below), whose sum is σ = 30681531000. Its totient is φ = 10213537768.

The previous prime is 20440714747. The next prime is 20440714769. The reversal of 20440714766 is 66741704402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440714769) 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, 3406061 + ... + 3412056.

It is an arithmetic number, because the mean of its divisors is an integer number (3835191375).

Almost surely, 2^20440714766 is an apocalyptic number.

20440714766 is a deficient number, since it is larger than the sum of its proper divisors (10240816234).

20440714766 is a wasteful number, since it uses less digits than its factorization.

20440714766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819618.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 20440714766 in words is "twenty billion, four hundred forty million, seven hundred fourteen thousand, seven hundred sixty-six".