20348579049542 has 8 divisors (see below), whose sum is σ = 31232702727336. Its totient is φ = 9937678140432.

The previous prime is 20348579049517. The next prime is 20348579049607. The reversal of 20348579049542 is 24594097584302.

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, 118305692063 + ... + 118305692234.

It is an arithmetic number, because the mean of its divisors is an integer number (3904087840917).

Almost surely, 2^{20348579049542} is an apocalyptic number.

20348579049542 is a deficient number, since it is larger than the sum of its proper divisors (10884123677794).

20348579049542 is a wasteful number, since it uses less digits than its factorization.

20348579049542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236611384342.

The product of its (nonzero) digits is 87091200, while the sum is 62.

The spelling of 20348579049542 in words is "twenty trillion, three hundred forty-eight billion, five hundred seventy-nine million, forty-nine thousand, five hundred forty-two".