20184526836 has 96 divisors (see below), whose sum is σ = 55442016000. Its totient is φ = 6328571904.

The previous prime is 20184526807. The next prime is 20184526867. The reversal of 20184526836 is 63862548102.

It is a junction number, because it is equal to n+sod(n) for n = 20184526791 and 20184526800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5669625 + ... + 5673183.

It is an arithmetic number, because the mean of its divisors is an integer number (577521000).

Almost surely, 2^20184526836 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 20184526836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27721008000).

20184526836 is an abundant number, since it is smaller than the sum of its proper divisors (35257489164).

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

20184526836 is a wasteful number, since it uses less digits than its factorization.

20184526836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678 (or 6670 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 20184526836 in words is "twenty billion, one hundred eighty-four million, five hundred twenty-six thousand, eight hundred thirty-six".