20310512351441 has 16 divisors (see below), whose sum is σ = 23159680793424. Its totient is φ = 17645192914944.

The previous prime is 20310512351411. The next prime is 20310512351447. The reversal of 20310512351441 is 14415321501302.

It can be written as a sum of positive squares in 8 ways, for example, as 92863420225 + 20217648931216 = 304735^2 + 4496404^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310512351441 - 2¹⁸ = 20310512089297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310512351398 and 20310512351407.

It is not an unprimeable number, because it can be changed into a prime (20310512351447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35963141 + ... + 36523533.

It is an arithmetic number, because the mean of its divisors is an integer number (1447480049589).

Almost surely, 2^{20310512351441} is an apocalyptic number.

It is an amenable number.

20310512351441 is a deficient number, since it is larger than the sum of its proper divisors (2849168441983).

20310512351441 is a wasteful number, since it uses less digits than its factorization.

20310512351441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724420.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 20310512351441 its reverse (14415321501302), we get a palindrome (34725833852743).

The spelling of 20310512351441 in words is "twenty trillion, three hundred ten billion, five hundred twelve million, three hundred fifty-one thousand, four hundred forty-one".