20414206173 has 4 divisors (see below), whose sum is σ = 27218941568. Its totient is φ = 13609470780.

The previous prime is 20414206159. The next prime is 20414206181. The reversal of 20414206173 is 37160241402.

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 not a de Polignac number, because 20414206173 - 2²¹ = 20412109021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20414206173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414206103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402367693 + ... + 3402367698.

It is an arithmetic number, because the mean of its divisors is an integer number (6804735392).

Almost surely, 2^20414206173 is an apocalyptic number.

It is an amenable number.

20414206173 is a deficient number, since it is larger than the sum of its proper divisors (6804735395).

20414206173 is an equidigital number, since it uses as much as digits as its factorization.

20414206173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804735394.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 20414206173 its reverse (37160241402), we get a palindrome (57574447575).

The spelling of 20414206173 in words is "twenty billion, four hundred fourteen million, two hundred six thousand, one hundred seventy-three".