20186852353 has 8 divisors (see below), whose sum is σ = 20885042880. Its totient is φ = 19488801360.

The previous prime is 20186852341. The next prime is 20186852377. The reversal of 20186852353 is 35325868102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20186852353 - 2⁵ = 20186852321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20186852303) 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, 321226 + ... + 378892.

It is an arithmetic number, because the mean of its divisors is an integer number (2610630360).

Almost surely, 2^20186852353 is an apocalyptic number.

It is an amenable number.

20186852353 is a deficient number, since it is larger than the sum of its proper divisors (698190527).

20186852353 is a wasteful number, since it uses less digits than its factorization.

20186852353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69767.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 20186852353 in words is "twenty billion, one hundred eighty-six million, eight hundred fifty-two thousand, three hundred fifty-three".