20198000361601 has 8 divisors (see below), whose sum is σ = 20939919273504. Its totient is φ = 19467952152480.

The previous prime is 20198000361569. The next prime is 20198000361629. The reversal of 20198000361601 is 10616300089102.

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

It is not a de Polignac number, because 20198000361601 - 2⁵ = 20198000361569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20198000361101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2967672231 + ... + 2967679036.

It is an arithmetic number, because the mean of its divisors is an integer number (2617489909188).

Almost surely, 2^{20198000361601} is an apocalyptic number.

It is an amenable number.

20198000361601 is a deficient number, since it is larger than the sum of its proper divisors (741918911903).

20198000361601 is an equidigital number, since it uses as much as digits as its factorization.

20198000361601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935351391.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 20198000361601 in words is "twenty trillion, one hundred ninety-eight billion, three hundred sixty-one thousand, six hundred one".