20186852344 has 32 divisors (see below), whose sum is σ = 38423255040. Its totient is φ = 9940946400.

The previous prime is 20186852341. The next prime is 20186852377. The reversal of 20186852344 is 44325868102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20186852344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20186852341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544957 + ... + 580819.

It is an arithmetic number, because the mean of its divisors is an integer number (1200726720).

Almost surely, 2^20186852344 is an apocalyptic number.

It is an amenable number.

20186852344 is a deficient number, since it is larger than the sum of its proper divisors (18236402696).

20186852344 is a wasteful number, since it uses less digits than its factorization.

20186852344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36931 (or 36927 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 20186852344 in words is "twenty billion, one hundred eighty-six million, eight hundred fifty-two thousand, three hundred forty-four".