20001210118198 has 8 divisors (see below), whose sum is σ = 31306241924208. Its totient is φ = 9565796143464.

The previous prime is 20001210118159. The next prime is 20001210118199. The reversal of 20001210118198 is 89181101210002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001210118199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217404457761 + ... + 217404457852.

It is an arithmetic number, because the mean of its divisors is an integer number (3913280240526).

Almost surely, 2^{20001210118198} is an apocalyptic number.

20001210118198 is a deficient number, since it is larger than the sum of its proper divisors (11305031806010).

20001210118198 is a wasteful number, since it uses less digits than its factorization.

20001210118198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434808915638.

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 20001210118198 in words is "twenty trillion, one billion, two hundred ten million, one hundred eighteen thousand, one hundred ninety-eight".