20530163363116 has 72 divisors (see below), whose sum is σ = 39959667513360. Its totient is φ = 9221245440000.

The previous prime is 20530163363107. The next prime is 20530163363183. The reversal of 20530163363116 is 61136336103502.

It is a happy 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, 68815831 + ... + 69113521.

It is an arithmetic number, because the mean of its divisors is an integer number (554995382130).

Almost surely, 2^{20530163363116} is an apocalyptic number.

It is an amenable number.

20530163363116 is a deficient number, since it is larger than the sum of its proper divisors (19429504150244).

20530163363116 is a wasteful number, since it uses less digits than its factorization.

20530163363116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299407 (or 299394 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

Adding to 20530163363116 its reverse (61136336103502), we get a palindrome (81666499466618).

The spelling of 20530163363116 in words is "twenty trillion, five hundred thirty billion, one hundred sixty-three million, three hundred sixty-three thousand, one hundred sixteen".