20186658038350 has 48 divisors (see below), whose sum is σ = 38012976107568. Its totient is φ = 7974561559040.

The previous prime is 20186658038347. The next prime is 20186658038383. The reversal of 20186658038350 is 5383085668102.

It is a junction number, because it is equal to n+sod(n) for n = 20186658038291 and 20186658038300.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10916262 + ... + 12630838.

It is an arithmetic number, because the mean of its divisors is an integer number (791937002241).

Almost surely, 2^{20186658038350} is an apocalyptic number.

20186658038350 is a deficient number, since it is larger than the sum of its proper divisors (17826318069218).

20186658038350 is a wasteful number, since it uses less digits than its factorization.

20186658038350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717509 (or 1717504 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 20186658038350 in words is "twenty trillion, one hundred eighty-six billion, six hundred fifty-eight million, thirty-eight thousand, three hundred fifty".