20315305532241 has 12 divisors (see below), whose sum is σ = 29344378913668. Its totient is φ = 13543514544384.

The previous prime is 20315305532239. The next prime is 20315305532251. The reversal of 20315305532241 is 14223550351302.

20315305532241 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 530 + 55 + 32 + 2 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17102980580625 + 3212324951616 = 4135575^2 + 1792296^2 .

It is not a de Polignac number, because 20315305532241 - 2¹ = 20315305532239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20315305532196 and 20315305532205.

It is not an unprimeable number, because it can be changed into a prime (20315305532251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5294781 + ... + 8286453.

Almost surely, 2^{20315305532241} is an apocalyptic number.

It is an amenable number.

20315305532241 is a deficient number, since it is larger than the sum of its proper divisors (9029073381427).

20315305532241 is a wasteful number, since it uses less digits than its factorization.

20315305532241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746192 (or 3746189 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 20315305532241 its reverse (14223550351302), we get a palindrome (34538855883543).

The spelling of 20315305532241 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred thirty-two thousand, two hundred forty-one".