20844846084 has 96 divisors (see below), whose sum is σ = 51311232000. Its totient is φ = 6576524416.

The previous prime is 20844846073. The next prime is 20844846091. The reversal of 20844846084 is 48064844802.

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, 8601697 + ... + 8604119.

It is an arithmetic number, because the mean of its divisors is an integer number (534492000).

Almost surely, 2^20844846084 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 20844846084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25655616000).

20844846084 is an abundant number, since it is smaller than the sum of its proper divisors (30466385916).

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

20844846084 is a wasteful number, since it uses less digits than its factorization.

20844846084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 48.

The spelling of 20844846084 in words is "twenty billion, eight hundred forty-four million, eight hundred forty-six thousand, eighty-four".