20196346146 has 16 divisors (see below), whose sum is σ = 40458165984. Its totient is φ = 6721203104.

The previous prime is 20196346099. The next prime is 20196346189. The reversal of 20196346146 is 64164369102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20196346098 and 20196346107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724060 + ... + 2731463.

It is an arithmetic number, because the mean of its divisors is an integer number (2528635374).

Almost surely, 2^20196346146 is an apocalyptic number.

20196346146 is an abundant number, since it is smaller than the sum of its proper divisors (20261819838).

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

20196346146 is a wasteful number, since it uses less digits than its factorization.

20196346146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456145.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 20196346146 in words is "twenty billion, one hundred ninety-six million, three hundred forty-six thousand, one hundred forty-six".