20384041929 has 8 divisors (see below), whose sum is σ = 27179405760. Its totient is φ = 13589019696.

The previous prime is 20384041927. The next prime is 20384041949. The reversal of 20384041929 is 92914048302.

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

It is not a de Polignac number, because 20384041929 - 2¹ = 20384041927 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20384041927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135379 + ... + 243095.

It is an arithmetic number, because the mean of its divisors is an integer number (3397425720).

Almost surely, 2^20384041929 is an apocalyptic number.

It is an amenable number.

20384041929 is a deficient number, since it is larger than the sum of its proper divisors (6795363831).

20384041929 is a wasteful number, since it uses less digits than its factorization.

20384041929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170799.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 20384041929 in words is "twenty billion, three hundred eighty-four million, forty-one thousand, nine hundred twenty-nine".