20413163565351 has 8 divisors (see below), whose sum is σ = 30241723800560. Its totient is φ = 13608775710216.

The previous prime is 20413163565323. The next prime is 20413163565373. The reversal of 20413163565351 is 15356536131402.

20413163565351 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 1 + 63 + 56 + 535 + 1 = 666.

It is not a de Polignac number, because 20413163565351 - 2⁶ = 20413163565287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413163565297 and 20413163565306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413163565251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378021547480 + ... + 378021547533.

It is an arithmetic number, because the mean of its divisors is an integer number (3780215475070).

Almost surely, 2^{20413163565351} is an apocalyptic number.

20413163565351 is a deficient number, since it is larger than the sum of its proper divisors (9828560235209).

20413163565351 is an equidigital number, since it uses as much as digits as its factorization.

20413163565351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756043095022 (or 756043095016 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

Adding to 20413163565351 its reverse (15356536131402), we get a palindrome (35769699696753).

The spelling of 20413163565351 in words is "twenty trillion, four hundred thirteen billion, one hundred sixty-three million, five hundred sixty-five thousand, three hundred fifty-one".