20343712316 has 12 divisors (see below), whose sum is σ = 35631650040. Its totient is φ = 10163240880.

The previous prime is 20343712307. The next prime is 20343712339. The reversal of 20343712316 is 61321734302.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2148506 + ... + 2157953.

It is an arithmetic number, because the mean of its divisors is an integer number (2969304170).

Almost surely, 2^20343712316 is an apocalyptic number.

It is an amenable number.

20343712316 is a deficient number, since it is larger than the sum of its proper divisors (15287937724).

20343712316 is a wasteful number, since it uses less digits than its factorization.

20343712316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307644 (or 4307642 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 20343712316 in words is "twenty billion, three hundred forty-three million, seven hundred twelve thousand, three hundred sixteen".