20216775026315 has 96 divisors (see below), whose sum is σ = 28795766167296. Its totient is φ = 13582441635840.

The previous prime is 20216775026299. The next prime is 20216775026381. The reversal of 20216775026315 is 51362057761202.

It is not a de Polignac number, because 20216775026315 - 2⁴ = 20216775026299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20216775026315.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7507156109 + ... + 7507158801.

It is an arithmetic number, because the mean of its divisors is an integer number (299955897576).

Almost surely, 2^{20216775026315} is an apocalyptic number.

20216775026315 is a deficient number, since it is larger than the sum of its proper divisors (8578991140981).

20216775026315 is a wasteful number, since it uses less digits than its factorization.

20216775026315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 20216775026315 in words is "twenty trillion, two hundred sixteen billion, seven hundred seventy-five million, twenty-six thousand, three hundred fifteen".