20313110551316 has 24 divisors (see below), whose sum is σ = 38950409838816. Its totient is φ = 9192557033120.

The previous prime is 20313110551249. The next prime is 20313110551339. The reversal of 20313110551316 is 61315501131302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016865791 + ... + 1016885766.

It is an arithmetic number, because the mean of its divisors is an integer number (1622933743284).

Almost surely, 2^{20313110551316} is an apocalyptic number.

It is an amenable number.

20313110551316 is a deficient number, since it is larger than the sum of its proper divisors (18637299287500).

20313110551316 is a wasteful number, since it uses less digits than its factorization.

20313110551316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033751799 (or 2033751797 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 20313110551316 its reverse (61315501131302), we get a palindrome (81628611682618).

The spelling of 20313110551316 in words is "twenty trillion, three hundred thirteen billion, one hundred ten million, five hundred fifty-one thousand, three hundred sixteen".