20396516175 has 96 divisors (see below), whose sum is σ = 42864399360. Its totient is φ = 9314870400.

The previous prime is 20396516167. The next prime is 20396516201. The reversal of 20396516175 is 57161569302.

20396516175 is a `hidden beast` number, since 20 + 3 + 9 + 6 + 5 + 1 + 617 + 5 = 666.

It is not a de Polignac number, because 20396516175 - 2³ = 20396516167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 20396516175.

It is a congruent number.

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, 7657894 + ... + 7660556.

It is an arithmetic number, because the mean of its divisors is an integer number (446504160).

Almost surely, 2^20396516175 is an apocalyptic number.

20396516175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20396516175 is an abundant number, since it is smaller than the sum of its proper divisors (22467883185).

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

20396516175 is a wasteful number, since it uses less digits than its factorization.

20396516175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 20396516175 in words is "twenty billion, three hundred ninety-six million, five hundred sixteen thousand, one hundred seventy-five".