20346321104407 has 2 divisors, whose sum is σ = 20346321104408. Its totient is φ = 20346321104406.

The previous prime is 20346321104383. The next prime is 20346321104477. The reversal of 20346321104407 is 70440112364302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20346321104407 - 2¹⁵ = 20346321071639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346321104477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173160552203 + 10173160552204.

It is an arithmetic number, because the mean of its divisors is an integer number (10173160552204).

Almost surely, 2^{20346321104407} is an apocalyptic number.

20346321104407 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346321104407 is an equidigital number, since it uses as much as digits as its factorization.

20346321104407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 20346321104407 its reverse (70440112364302), we get a palindrome (90786433468709).

The spelling of 20346321104407 in words is "twenty trillion, three hundred forty-six billion, three hundred twenty-one million, one hundred four thousand, four hundred seven".