20900084244 has 96 divisors (see below), whose sum is σ = 53604996480. Its totient is φ = 6298521600.

The previous prime is 20900084243. The next prime is 20900084281. The reversal of 20900084244 is 44248000902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20900084243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2582284 + ... + 2590364.

It is an arithmetic number, because the mean of its divisors is an integer number (558385380).

Almost surely, 2^20900084244 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 20900084244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26802498240).

20900084244 is an abundant number, since it is smaller than the sum of its proper divisors (32704912236).

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

20900084244 is a wasteful number, since it uses less digits than its factorization.

20900084244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441 (or 8439 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 20900084244 in words is "twenty billion, nine hundred million, eighty-four thousand, two hundred forty-four".