20350104311305 has 8 divisors (see below), whose sum is σ = 24420203260992. Its totient is φ = 16280031390768.

The previous prime is 20350104311269. The next prime is 20350104311309. The reversal of 20350104311305 is 50311340105302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20350104311305 - 2⁹ = 20350104310793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20350104311309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743837 + ... + 7950106.

It is an arithmetic number, because the mean of its divisors is an integer number (3052525407624).

Almost surely, 2^{20350104311305} is an apocalyptic number.

It is an amenable number.

20350104311305 is a deficient number, since it is larger than the sum of its proper divisors (4070098949687).

20350104311305 is a wasteful number, since it uses less digits than its factorization.

20350104311305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13014575.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 20350104311305 its reverse (50311340105302), we get a palindrome (70661444416607).

The spelling of 20350104311305 in words is "twenty trillion, three hundred fifty billion, one hundred four million, three hundred eleven thousand, three hundred five".