20427198355306 has 8 divisors (see below), whose sum is σ = 31353374219904. Its totient is φ = 9976073615340.

The previous prime is 20427198355273. The next prime is 20427198355351. The reversal of 20427198355306 is 60355389172402.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 118762781050 + ... + 118762781221.

It is an arithmetic number, because the mean of its divisors is an integer number (3919171777488).

It is a 2-persistent number, because it is pandigital, and so is 2⋅20427198355306 = 40854396710612, but 3⋅20427198355306 = 61281595065918 is not.

Almost surely, 2^{20427198355306} is an apocalyptic number.

20427198355306 is a deficient number, since it is larger than the sum of its proper divisors (10926175864598).

20427198355306 is a wasteful number, since it uses less digits than its factorization.

20427198355306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237525562316.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 20427198355306 in words is "twenty trillion, four hundred twenty-seven billion, one hundred ninety-eight million, three hundred fifty-five thousand, three hundred six".