20126330103465 has 12 divisors (see below), whose sum is σ = 34885638846084. Its totient is φ = 10734042721824.

The previous prime is 20126330103437. The next prime is 20126330103493. The reversal of 20126330103465 is 56430103362102.

20126330103465 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 6 + 3 + 301 + 0 + 346 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20126330103437) and next prime (20126330103493).

It can be written as a sum of positive squares in 2 ways, for example, as 6873373810944 + 13252956292521 = 2621712^2 + 3640461^2 .

It is not a de Polignac number, because 20126330103465 - 2⁷ = 20126330103337 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 223625889994 + ... + 223625890083.

It is an arithmetic number, because the mean of its divisors is an integer number (2907136570507).

Almost surely, 2^{20126330103465} is an apocalyptic number.

It is an amenable number.

20126330103465 is a deficient number, since it is larger than the sum of its proper divisors (14759308742619).

20126330103465 is a wasteful number, since it uses less digits than its factorization.

20126330103465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447251780088 (or 447251780085 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 20126330103465 its reverse (56430103362102), we get a palindrome (76556433465567).

The spelling of 20126330103465 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty million, one hundred three thousand, four hundred sixty-five".