20248288326 has 144 divisors (see below), whose sum is σ = 53456143104. Its totient is φ = 5512576608.

The previous prime is 20248288309. The next prime is 20248288339. The reversal of 20248288326 is 62388284202.

20248288326 is a `hidden beast` number, since 2 + 0 + 2 + 48 + 288 + 326 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5739175 + ... + 5742701.

It is an arithmetic number, because the mean of its divisors is an integer number (371223216).

Almost surely, 2^20248288326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20248288326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26728071552).

20248288326 is an abundant number, since it is smaller than the sum of its proper divisors (33207854778).

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

20248288326 is a wasteful number, since it uses less digits than its factorization.

20248288326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 20248288326 in words is "twenty billion, two hundred forty-eight million, two hundred eighty-eight thousand, three hundred twenty-six".