20186852351 has 16 divisors (see below), whose sum is σ = 21566720448. Its totient is φ = 18829094400.

The previous prime is 20186852341. The next prime is 20186852377. The reversal of 20186852351 is 15325868102.

It is a cyclic number.

It is not a de Polignac number, because 20186852351 - 2¹⁰ = 20186851327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20186852299 and 20186852308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20186852321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890366 + ... + 912756.

It is an arithmetic number, because the mean of its divisors is an integer number (1347920028).

Almost surely, 2^20186852351 is an apocalyptic number.

20186852351 is a deficient number, since it is larger than the sum of its proper divisors (1379868097).

20186852351 is a wasteful number, since it uses less digits than its factorization.

20186852351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22882.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 20186852351 in words is "twenty billion, one hundred eighty-six million, eight hundred fifty-two thousand, three hundred fifty-one".