20398112059 has 8 divisors (see below), whose sum is σ = 21976834880. Its totient is φ = 18820766016.

The previous prime is 20398112039. The next prime is 20398112071. The reversal of 20398112059 is 95021189302.

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

It is not a de Polignac number, because 20398112059 - 2¹¹ = 20398110011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20398112039) 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, 313314 + ... + 372775.

It is an arithmetic number, because the mean of its divisors is an integer number (2747104360).

Almost surely, 2^20398112059 is an apocalyptic number.

20398112059 is a deficient number, since it is larger than the sum of its proper divisors (1578722821).

20398112059 is a wasteful number, since it uses less digits than its factorization.

20398112059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688389.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 20398112059 in words is "twenty billion, three hundred ninety-eight million, one hundred twelve thousand, fifty-nine".