20186852352 has 88 divisors (see below), whose sum is σ = 54542986416. Its totient is φ = 6636699648.

The previous prime is 20186852341. The next prime is 20186852377. The reversal of 20186852352 is 25325868102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179248 + ... + 269264.

Almost surely, 2^20186852352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20186852352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27271493208).

20186852352 is an abundant number, since it is smaller than the sum of its proper divisors (34356134064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20186852352 is an equidigital number, since it uses as much as digits as its factorization.

20186852352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90113 (or 90095 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 20186852352 in words is "twenty billion, one hundred eighty-six million, eight hundred fifty-two thousand, three hundred fifty-two".