20186310904 has 32 divisors (see below), whose sum is σ = 39904732800. Its totient is φ = 9546737760.

The previous prime is 20186310899. The next prime is 20186310929. The reversal of 20186310904 is 40901368102.

It is a self number, because there is not a number n which added to its sum of digits gives 20186310904.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9322 + ... + 201145.

It is an arithmetic number, because the mean of its divisors is an integer number (1247022900).

Almost surely, 2^20186310904 is an apocalyptic number.

It is an amenable number.

20186310904 is a deficient number, since it is larger than the sum of its proper divisors (19718421896).

20186310904 is a wasteful number, since it uses less digits than its factorization.

20186310904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211123 (or 211119 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 20186310904 in words is "twenty billion, one hundred eighty-six million, three hundred ten thousand, nine hundred four".