20678383299 has 8 divisors (see below), whose sum is σ = 31509917440. Its totient is φ = 11816219016.

The previous prime is 20678383277. The next prime is 20678383321. The reversal of 20678383299 is 99238387602.

It is an interprime number because it is at equal distance from previous prime (20678383277) and next prime (20678383321).

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

It is not a de Polignac number, because 20678383299 - 2⁷ = 20678383171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20678387299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492342439 + ... + 492342480.

It is an arithmetic number, because the mean of its divisors is an integer number (3938739680).

Almost surely, 2^20678383299 is an apocalyptic number.

20678383299 is a deficient number, since it is larger than the sum of its proper divisors (10831534141).

20678383299 is an equidigital number, since it uses as much as digits as its factorization.

20678383299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984684929.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 20678383299 in words is "twenty billion, six hundred seventy-eight million, three hundred eighty-three thousand, two hundred ninety-nine".