20350842893093 has 4 divisors (see below), whose sum is σ = 21007321696128. Its totient is φ = 19694364090060.

The previous prime is 20350842893089. The next prime is 20350842893149. The reversal of 20350842893093 is 39039824805302.

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 20350842893093 - 2² = 20350842893089 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 (20350842893033) 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, 328239401471 + ... + 328239401532.

It is an arithmetic number, because the mean of its divisors is an integer number (5251830424032).

Almost surely, 2^{20350842893093} is an apocalyptic number.

It is an amenable number.

20350842893093 is a deficient number, since it is larger than the sum of its proper divisors (656478803035).

20350842893093 is an equidigital number, since it uses as much as digits as its factorization.

20350842893093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656478803034.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 20350842893093 in words is "twenty trillion, three hundred fifty billion, eight hundred forty-two million, eight hundred ninety-three thousand, ninety-three".