20530125356315 has 16 divisors (see below), whose sum is σ = 24752610892800. Its totient is φ = 16346495598432.

The previous prime is 20530125356311. The next prime is 20530125356327. The reversal of 20530125356315 is 51365352103502.

It is a cyclic number.

It is not a de Polignac number, because 20530125356315 - 2² = 20530125356311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20530125356311) 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, 2390696 + ... + 6839274.

It is an arithmetic number, because the mean of its divisors is an integer number (1547038180800).

Almost surely, 2^{20530125356315} is an apocalyptic number.

20530125356315 is a deficient number, since it is larger than the sum of its proper divisors (4222485536485).

20530125356315 is a wasteful number, since it uses less digits than its factorization.

20530125356315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452946.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 20530125356315 its reverse (51365352103502), we get a palindrome (71895477459817).

The spelling of 20530125356315 in words is "twenty trillion, five hundred thirty billion, one hundred twenty-five million, three hundred fifty-six thousand, three hundred fifteen".