20414178193 has 4 divisors (see below), whose sum is σ = 20468041840. Its totient is φ = 20360314548.

The previous prime is 20414178163. The next prime is 20414178203. The reversal of 20414178193 is 39187141402.

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 a cyclic number.

It is not a de Polignac number, because 20414178193 - 2⁹ = 20414177681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20414178163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26931255 + ... + 26932012.

It is an arithmetic number, because the mean of its divisors is an integer number (5117010460).

Almost surely, 2^20414178193 is an apocalyptic number.

It is an amenable number.

20414178193 is a deficient number, since it is larger than the sum of its proper divisors (53863647).

20414178193 is an equidigital number, since it uses as much as digits as its factorization.

20414178193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53863646.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 20414178193 in words is "twenty billion, four hundred fourteen million, one hundred seventy-eight thousand, one hundred ninety-three".