20008769039 has 16 divisors (see below), whose sum is σ = 22983319296. Its totient is φ = 17063361600.

The previous prime is 20008768999. The next prime is 20008769047. The reversal of 20008769039 is 93096780002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20008769039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008769639) 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, 3065099 + ... + 3071619.

It is an arithmetic number, because the mean of its divisors is an integer number (1436457456).

Almost surely, 2^20008769039 is an apocalyptic number.

20008769039 is a deficient number, since it is larger than the sum of its proper divisors (2974550257).

20008769039 is a wasteful number, since it uses less digits than its factorization.

20008769039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 20008769039 in words is "twenty billion, eight million, seven hundred sixty-nine thousand, thirty-nine".