20005106125304 has 32 divisors (see below), whose sum is σ = 38119708998480. Its totient is φ = 9840244829184.

The previous prime is 20005106125283. The next prime is 20005106125321. The reversal of 20005106125304 is 40352160150002.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24246137 + ... + 25057640.

Almost surely, 2^{20005106125304} is an apocalyptic number.

It is an amenable number.

20005106125304 is a deficient number, since it is larger than the sum of its proper divisors (18114602873176).

20005106125304 is a wasteful number, since it uses less digits than its factorization.

20005106125304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49304607 (or 49304603 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20005106125304 its reverse (40352160150002), we get a palindrome (60357266275306).

The spelling of 20005106125304 in words is "twenty trillion, five billion, one hundred six million, one hundred twenty-five thousand, three hundred four".