20098194673 has 4 divisors (see below), whose sum is σ = 20972029248. Its totient is φ = 19224360100.

The previous prime is 20098194667. The next prime is 20098194679. The reversal of 20098194673 is 37649189002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20098194667) and next prime (20098194679).

It is a cyclic number.

It is not a de Polignac number, because 20098194673 - 2⁹ = 20098194161 is a prime.

It is a super-2 number, since 2×20098194673² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20098194679) by changing a digit.

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, 436917253 + ... + 436917298.

It is an arithmetic number, because the mean of its divisors is an integer number (5243007312).

Almost surely, 2^20098194673 is an apocalyptic number.

20098194673 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20098194673 is a deficient number, since it is larger than the sum of its proper divisors (873834575).

20098194673 is an equidigital number, since it uses as much as digits as its factorization.

20098194673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873834574.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 20098194673 in words is "twenty billion, ninety-eight million, one hundred ninety-four thousand, six hundred seventy-three".