20016668346 has 8 divisors (see below), whose sum is σ = 40033336704. Its totient is φ = 6672222780.

The previous prime is 20016668317. The next prime is 20016668363. The reversal of 20016668346 is 64386661002.

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

20016668346 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20016668298 and 20016668307.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1668055690 + ... + 1668055701.

It is an arithmetic number, because the mean of its divisors is an integer number (5004167088).

Almost surely, 2^20016668346 is an apocalyptic number.

20016668346 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.

20016668346 is a wasteful number, since it uses less digits than its factorization.

20016668346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336111396.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 20016668346 in words is "twenty billion, sixteen million, six hundred sixty-eight thousand, three hundred forty-six".