20310344512125 has 32 divisors (see below), whose sum is σ = 33796797939840. Its totient is φ = 10832060448000.

The previous prime is 20310344512079. The next prime is 20310344512151. The reversal of 20310344512125 is 52121544301302.

It is not a de Polignac number, because 20310344512125 - 2⁷ = 20310344511997 is a prime.

It is a super-2 number, since 2×20310344512125² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39543210 + ... + 40053540.

It is an arithmetic number, because the mean of its divisors is an integer number (1056149935620).

Almost surely, 2^{20310344512125} is an apocalyptic number.

20310344512125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20310344512125 is a deficient number, since it is larger than the sum of its proper divisors (13486453427715).

20310344512125 is a wasteful number, since it uses less digits than its factorization.

20310344512125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616478 (or 616468 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 20310344512125 its reverse (52121544301302), we get a palindrome (72431888813427).

The spelling of 20310344512125 in words is "twenty trillion, three hundred ten billion, three hundred forty-four million, five hundred twelve thousand, one hundred twenty-five".