20300244444 has 72 divisors (see below), whose sum is σ = 52549136640. Its totient is φ = 6604188192.

The previous prime is 20300244427. The next prime is 20300244469. The reversal of 20300244444 is 44444200302.

It is a happy number.

It is a congruent number.

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, 2297467 + ... + 2306285.

It is an arithmetic number, because the mean of its divisors is an integer number (729849120).

Almost surely, 2^20300244444 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 20300244444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26274568320).

20300244444 is an abundant number, since it is smaller than the sum of its proper divisors (32248892196).

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

20300244444 is a wasteful number, since it uses less digits than its factorization.

20300244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 20300244444 its reverse (44444200302), we get a palindrome (64744444746).

The spelling of 20300244444 in words is "twenty billion, three hundred million, two hundred forty-four thousand, four hundred forty-four".