20313100244 has 12 divisors (see below), whose sum is σ = 35549845044. Its totient is φ = 10156001664.

The previous prime is 20313100211. The next prime is 20313100303. The reversal of 20313100244 is 44200131302.

It can be written as a sum of positive squares in 2 ways, for example, as 6912259600 + 13400840644 = 83140^2 + 115762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47237 + ... + 207020.

It is an arithmetic number, because the mean of its divisors is an integer number (2962487087).

Almost surely, 2^20313100244 is an apocalyptic number.

It is an amenable number.

20313100244 is a deficient number, since it is larger than the sum of its proper divisors (15236744800).

20313100244 is a wasteful number, since it uses less digits than its factorization.

20313100244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274234 (or 274232 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20313100244 its reverse (44200131302), we get a palindrome (64513231546).

The spelling of 20313100244 in words is "twenty billion, three hundred thirteen million, one hundred thousand, two hundred forty-four".