20196346171 has 8 divisors (see below), whose sum is σ = 21839353920. Its totient is φ = 18603892608.

The previous prime is 20196346099. The next prime is 20196346189. The reversal of 20196346171 is 17164369102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20196346171 - 2⁷ = 20196346043 is a prime.

It is a super-2 number, since 2×20196346171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20196346771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12637716 + ... + 12639313.

It is an arithmetic number, because the mean of its divisors is an integer number (2729919240).

Almost surely, 2^20196346171 is an apocalyptic number.

20196346171 is a deficient number, since it is larger than the sum of its proper divisors (1643007749).

20196346171 is a wasteful number, since it uses less digits than its factorization.

20196346171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25277093.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 20196346171 in words is "twenty billion, one hundred ninety-six million, three hundred forty-six thousand, one hundred seventy-one".