20363111316 has 72 divisors (see below), whose sum is σ = 53404265824. Its totient is φ = 6784598880.

The previous prime is 20363111303. The next prime is 20363111323. The reversal of 20363111316 is 61311136302.

20363111316 is a `hidden beast` number, since 2 + 0 + 3 + 631 + 1 + 13 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20363111316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3275451 + ... + 3281661.

Almost surely, 2^20363111316 is an apocalyptic number.

It is an amenable number.

20363111316 is an abundant number, since it is smaller than the sum of its proper divisors (33041154508).

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

20363111316 is a wasteful number, since it uses less digits than its factorization.

20363111316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 20363111316 its reverse (61311136302), we get a palindrome (81674247618).

The spelling of 20363111316 in words is "twenty billion, three hundred sixty-three million, one hundred eleven thousand, three hundred sixteen".