20650182192 has 120 divisors (see below), whose sum is σ = 60798675600. Its totient is φ = 6533313024.

The previous prime is 20650182173. The next prime is 20650182193. The reversal of 20650182192 is 29128105602.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20650182193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204478 + ... + 288290.

It is an arithmetic number, because the mean of its divisors is an integer number (506655630).

Almost surely, 2^20650182192 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 20650182192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30399337800).

20650182192 is an abundant number, since it is smaller than the sum of its proper divisors (40148493408).

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

20650182192 is a wasteful number, since it uses less digits than its factorization.

20650182192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83915 (or 83906 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Adding to 20650182192 its reverse (29128105602), we get a palindrome (49778287794).

The spelling of 20650182192 in words is "twenty billion, six hundred fifty million, one hundred eighty-two thousand, one hundred ninety-two".