20170768994 has 8 divisors (see below), whose sum is σ = 30473824080. Its totient is φ = 10012827636.

The previous prime is 20170768973. The next prime is 20170769023. The reversal of 20170768994 is 49986707102.

20170768994 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36278084 + ... + 36278639.

It is an arithmetic number, because the mean of its divisors is an integer number (3809228010).

Almost surely, 2^20170768994 is an apocalyptic number.

20170768994 is a deficient number, since it is larger than the sum of its proper divisors (10303055086).

20170768994 is a wasteful number, since it uses less digits than its factorization.

20170768994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72556864.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 20170768994 in words is "twenty billion, one hundred seventy million, seven hundred sixty-eight thousand, nine hundred ninety-four".