20345363742311 has 4 divisors (see below), whose sum is σ = 20345386278000. Its totient is φ = 20345341206624.

The previous prime is 20345363742299. The next prime is 20345363742317. The reversal of 20345363742311 is 11324736354302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20345363742311 - 2²⁶ = 20345296633447 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 (20345363742317) 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, 9854546 + ... + 11738943.

It is an arithmetic number, because the mean of its divisors is an integer number (5086346569500).

Almost surely, 2^{20345363742311} is an apocalyptic number.

20345363742311 is a deficient number, since it is larger than the sum of its proper divisors (22535689).

20345363742311 is an equidigital number, since it uses as much as digits as its factorization.

20345363742311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22535688.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 20345363742311 in words is "twenty trillion, three hundred forty-five billion, three hundred sixty-three million, seven hundred forty-two thousand, three hundred eleven".