20005112245725 has 96 divisors (see below), whose sum is σ = 38132185574400. Its totient is φ = 10271718604800.

The previous prime is 20005112245711. The next prime is 20005112245733. The reversal of 20005112245725 is 52754221150002.

20005112245725 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 51 + 12 + 24 + 572 + 5 = 666.

It is not a de Polignac number, because 20005112245725 - 2⁵ = 20005112245693 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20005112245725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1561741 + ... + 6515309.

It is an arithmetic number, because the mean of its divisors is an integer number (397210266400).

Almost surely, 2^{20005112245725} is an apocalyptic number.

20005112245725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20005112245725 is a deficient number, since it is larger than the sum of its proper divisors (18127073328675).

20005112245725 is a wasteful number, since it uses less digits than its factorization.

20005112245725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953812 (or 4953801 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

Adding to 20005112245725 its reverse (52754221150002), we get a palindrome (72759333395727).

The spelling of 20005112245725 in words is "twenty trillion, five billion, one hundred twelve million, two hundred forty-five thousand, seven hundred twenty-five".