20288084699 has 8 divisors (see below), whose sum is σ = 21484164240. Its totient is φ = 19092301056.

The previous prime is 20288084659. The next prime is 20288084701. The reversal of 20288084699 is 99648088202.

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

It is a cyclic number.

It is not a de Polignac number, because 20288084699 - 2¹⁶ = 20288019163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20288084659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75887 + ... + 215255.

It is an arithmetic number, because the mean of its divisors is an integer number (2685520530).

Almost surely, 2^20288084699 is an apocalyptic number.

20288084699 is a deficient number, since it is larger than the sum of its proper divisors (1196079541).

20288084699 is a wasteful number, since it uses less digits than its factorization.

20288084699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147949.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 20288084699 in words is "twenty billion, two hundred eighty-eight million, eighty-four thousand, six hundred ninety-nine".