20860846244 has 72 divisors (see below), whose sum is σ = 46144062720. Its totient is φ = 8196552000.

The previous prime is 20860846189. The next prime is 20860846297. The reversal of 20860846244 is 44264806802.

It is a junction number, because it is equal to n+sod(n) for n = 20860846195 and 20860846204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25094 + ... + 205794.

It is an arithmetic number, because the mean of its divisors is an integer number (640889760).

Almost surely, 2^20860846244 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 20860846244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23072031360).

20860846244 is an abundant number, since it is smaller than the sum of its proper divisors (25283216476).

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

20860846244 is a wasteful number, since it uses less digits than its factorization.

20860846244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180769 (or 180760 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 20860846244 in words is "twenty billion, eight hundred sixty million, eight hundred forty-six thousand, two hundred forty-four".