20300244 has 48 divisors (see below), whose sum is σ = 50512896. Its totient is φ = 6323200.

The previous prime is 20300243. The next prime is 20300279. The reversal of 20300244 is 44200302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38704 + ... + 39224.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352).

Almost surely, 2^20300244 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 20300244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25256448).

20300244 is an abundant number, since it is smaller than the sum of its proper divisors (30212652).

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

20300244 is a wasteful number, since it uses less digits than its factorization.

20300244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20300244 is about 4505.5792080486. The cubic root of 20300244 is about 272.7933333711.

Adding to 20300244 its reverse (44200302), we get a palindrome (64500546).

The spelling of 20300244 in words is "twenty million, three hundred thousand, two hundred forty-four".