20105326301351 has 4 divisors (see below), whose sum is σ = 20105726640792. Its totient is φ = 20104925961912.

The previous prime is 20105326301309. The next prime is 20105326301387. The reversal of 20105326301351 is 15310362350102.

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 20105326301351 - 2¹⁸ = 20105326039207 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 (20105326301651) 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, 200094380 + ... + 200194833.

It is an arithmetic number, because the mean of its divisors is an integer number (5026431660198).

Almost surely, 2^{20105326301351} is an apocalyptic number.

20105326301351 is a deficient number, since it is larger than the sum of its proper divisors (400339441).

20105326301351 is an equidigital number, since it uses as much as digits as its factorization.

20105326301351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400339440.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 20105326301351 its reverse (15310362350102), we get a palindrome (35415688651453).

The spelling of 20105326301351 in words is "twenty trillion, one hundred five billion, three hundred twenty-six million, three hundred one thousand, three hundred fifty-one".