20395248168 has 64 divisors (see below), whose sum is σ = 51185534400. Its totient is φ = 6772147200.

The previous prime is 20395248119. The next prime is 20395248169. The reversal of 20395248168 is 86184259302.

It is a super-2 number, since 2×20395248168² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20395248169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13751955 + ... + 13753437.

It is an arithmetic number, because the mean of its divisors is an integer number (799773975).

Almost surely, 2^20395248168 is an apocalyptic number.

It is an amenable number.

20395248168 is an abundant number, since it is smaller than the sum of its proper divisors (30790286232).

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

20395248168 is a wasteful number, since it uses less digits than its factorization.

20395248168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 20395248168 in words is "twenty billion, three hundred ninety-five million, two hundred forty-eight thousand, one hundred sixty-eight".