20268286078108 has 24 divisors (see below), whose sum is σ = 35523679129344. Its totient is φ = 10118670822000.

The previous prime is 20268286078057. The next prime is 20268286078111. The reversal of 20268286078108 is 80187068286202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10135383 + ... + 11969233.

It is an arithmetic number, because the mean of its divisors is an integer number (1480153297056).

Almost surely, 2^{20268286078108} is an apocalyptic number.

It is an amenable number.

20268286078108 is a deficient number, since it is larger than the sum of its proper divisors (15255393051236).

20268286078108 is a wasteful number, since it uses less digits than its factorization.

20268286078108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838073 (or 1838071 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 58.

The spelling of 20268286078108 in words is "twenty trillion, two hundred sixty-eight billion, two hundred eighty-six million, seventy-eight thousand, one hundred eight".