20316291146 has 8 divisors (see below), whose sum is σ = 30656918880. Its totient is φ = 10097318188.

The previous prime is 20316291143. The next prime is 20316291169. The reversal of 20316291146 is 64119261302.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20316291143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30413276 + ... + 30413943.

It is an arithmetic number, because the mean of its divisors is an integer number (3832114860).

Almost surely, 2^20316291146 is an apocalyptic number.

20316291146 is a deficient number, since it is larger than the sum of its proper divisors (10340627734).

20316291146 is a wasteful number, since it uses less digits than its factorization.

20316291146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60827388.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20316291146 in words is "twenty billion, three hundred sixteen million, two hundred ninety-one thousand, one hundred forty-six".