20312526003145 has 32 divisors (see below), whose sum is σ = 26848419425280. Its totient is φ = 14694067077120.

The previous prime is 20312526003139. The next prime is 20312526003151. The reversal of 20312526003145 is 54130062521302.

It is an interprime number because it is at equal distance from previous prime (20312526003139) and next prime (20312526003151).

It is not a de Polignac number, because 20312526003145 - 2⁵ = 20312526003113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20312526003145.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 47026744 + ... + 47456713.

It is an arithmetic number, because the mean of its divisors is an integer number (839013107040).

Almost surely, 2^{20312526003145} is an apocalyptic number.

It is an amenable number.

20312526003145 is a deficient number, since it is larger than the sum of its proper divisors (6535893422135).

20312526003145 is a wasteful number, since it uses less digits than its factorization.

20312526003145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94483585.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 20312526003145 its reverse (54130062521302), we get a palindrome (74442588524447).

The spelling of 20312526003145 in words is "twenty trillion, three hundred twelve billion, five hundred twenty-six million, three thousand, one hundred forty-five".