20942584318 has 8 divisors (see below), whose sum is σ = 31446231480. Its totient is φ = 10460507160.

The previous prime is 20942584303. The next prime is 20942584331. The reversal of 20942584318 is 81348524902.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5390073 + ... + 5393956.

It is an arithmetic number, because the mean of its divisors is an integer number (3930778935).

Almost surely, 2^20942584318 is an apocalyptic number.

20942584318 is a deficient number, since it is larger than the sum of its proper divisors (10503647162).

20942584318 is a wasteful number, since it uses less digits than its factorization.

20942584318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10785002.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 20942584318 in words is "twenty billion, nine hundred forty-two million, five hundred eighty-four thousand, three hundred eighteen".