20084088667 has 4 divisors (see below), whose sum is σ = 20101009896. Its totient is φ = 20067167440.

The previous prime is 20084088631. The next prime is 20084088679. The reversal of 20084088667 is 76688048002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20084088667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20084088667.

It is not an unprimeable number, because it can be changed into a prime (20084088467) 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, 8458834 + ... + 8461207.

It is an arithmetic number, because the mean of its divisors is an integer number (5025252474).

Almost surely, 2^20084088667 is an apocalyptic number.

20084088667 is a deficient number, since it is larger than the sum of its proper divisors (16921229).

20084088667 is a wasteful number, since it uses less digits than its factorization.

20084088667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16921228.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 20084088667 in words is "twenty billion, eighty-four million, eighty-eight thousand, six hundred sixty-seven".