20384040382 has 16 divisors (see below), whose sum is σ = 30884942304. Its totient is φ = 10089100000.

The previous prime is 20384040373. The next prime is 20384040409. The reversal of 20384040382 is 28304048302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003007 + ... + 2013157.

It is an arithmetic number, because the mean of its divisors is an integer number (1930308894).

Almost surely, 2^20384040382 is an apocalyptic number.

20384040382 is a deficient number, since it is larger than the sum of its proper divisors (10500901922).

20384040382 is a wasteful number, since it uses less digits than its factorization.

20384040382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 20384040382 its reverse (28304048302), we get a palindrome (48688088684).

The spelling of 20384040382 in words is "twenty billion, three hundred eighty-four million, forty thousand, three hundred eighty-two".