20310313464244 has 12 divisors (see below), whose sum is σ = 35544146847300. Its totient is φ = 10154842936448.

The previous prime is 20310313464239. The next prime is 20310313464247. The reversal of 20310313464244 is 44246431301302.

It can be written as a sum of positive squares in 2 ways, for example, as 761800787344 + 19548512676900 = 872812^2 + 4421370^2 .

It is a super-2 number, since 2×20310313464244² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310313464247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78303259 + ... + 78562210.

It is an arithmetic number, because the mean of its divisors is an integer number (2962012237275).

Almost surely, 2^{20310313464244} is an apocalyptic number.

It is an amenable number.

20310313464244 is a deficient number, since it is larger than the sum of its proper divisors (15233833383056).

20310313464244 is a wasteful number, since it uses less digits than its factorization.

20310313464244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156897842 (or 156897840 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 20310313464244 its reverse (44246431301302), we get a palindrome (64556744765546).

The spelling of 20310313464244 in words is "twenty trillion, three hundred ten billion, three hundred thirteen million, four hundred sixty-four thousand, two hundred forty-four".