20042326543177 has 4 divisors (see below), whose sum is σ = 20042359949776. Its totient is φ = 20042293136580.

The previous prime is 20042326543123. The next prime is 20042326543199. The reversal of 20042326543177 is 77134562324002.

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 a de Polignac number, because none of the positive numbers 2^k-20042326543177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042326343177) 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, 15786603 + ... + 17008864.

It is an arithmetic number, because the mean of its divisors is an integer number (5010589987444).

Almost surely, 2^{20042326543177} is an apocalyptic number.

It is an amenable number.

20042326543177 is a deficient number, since it is larger than the sum of its proper divisors (33406599).

20042326543177 is an equidigital number, since it uses as much as digits as its factorization.

20042326543177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33406598.

The product of its (nonzero) digits is 1693440, while the sum is 46.

Adding to 20042326543177 its reverse (77134562324002), we get a palindrome (97176888867179).

The spelling of 20042326543177 in words is "twenty trillion, forty-two billion, three hundred twenty-six million, five hundred forty-three thousand, one hundred seventy-seven".