20384516326 has 4 divisors (see below), whose sum is σ = 30576774492. Its totient is φ = 10192258162.

The previous prime is 20384516239. The next prime is 20384516351. The reversal of 20384516326 is 62361548302.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5096129080 + ... + 5096129083.

It is an arithmetic number, because the mean of its divisors is an integer number (7644193623).

Almost surely, 2^20384516326 is an apocalyptic number.

20384516326 is a deficient number, since it is larger than the sum of its proper divisors (10192258166).

20384516326 is a wasteful number, since it uses less digits than its factorization.

20384516326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192258165.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 20384516326 in words is "twenty billion, three hundred eighty-four million, five hundred sixteen thousand, three hundred twenty-six".