20608302678 has 8 divisors (see below), whose sum is σ = 41216605368. Its totient is φ = 6869434224.

The previous prime is 20608302677. The next prime is 20608302787. The reversal of 20608302678 is 87620380602.

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

20608302678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20608302677) 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 3 ways as a sum of consecutive naturals, for example, 1717358551 + ... + 1717358562.

It is an arithmetic number, because the mean of its divisors is an integer number (5152075671).

Almost surely, 2^20608302678 is an apocalyptic number.

20608302678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20608302678 is a wasteful number, since it uses less digits than its factorization.

20608302678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434717118.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 20608302678 in words is "twenty billion, six hundred eight million, three hundred two thousand, six hundred seventy-eight".