20194230973 has 16 divisors (see below), whose sum is σ = 23403398656. Its totient is φ = 17066298240.

The previous prime is 20194230961. The next prime is 20194230977. The reversal of 20194230973 is 37903249102.

It is a cyclic number.

It is not a de Polignac number, because 20194230973 - 2¹⁷ = 20194099901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20194230977) 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 15 ways as a sum of consecutive naturals, for example, 2095915 + ... + 2105527.

It is an arithmetic number, because the mean of its divisors is an integer number (1462712416).

Almost surely, 2^20194230973 is an apocalyptic number.

It is an amenable number.

20194230973 is a deficient number, since it is larger than the sum of its proper divisors (3209167683).

20194230973 is an equidigital number, since it uses as much as digits as its factorization.

20194230973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13804.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 20194230973 in words is "twenty billion, one hundred ninety-four million, two hundred thirty thousand, nine hundred seventy-three".