20512024005 has 64 divisors (see below), whose sum is σ = 36241083648. Its totient is φ = 9823887360.

The previous prime is 20512023989. The next prime is 20512024031. The reversal of 20512024005 is 50042021502.

It is a happy number.

It is not a de Polignac number, because 20512024005 - 2⁴ = 20512023989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12114939 + ... + 12116631.

It is an arithmetic number, because the mean of its divisors is an integer number (566266932).

Almost surely, 2^20512024005 is an apocalyptic number.

It is an amenable number.

20512024005 is a deficient number, since it is larger than the sum of its proper divisors (15729059643).

20512024005 is a wasteful number, since it uses less digits than its factorization.

20512024005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 20512024005 its reverse (50042021502), we get a palindrome (70554045507).

The spelling of 20512024005 in words is "twenty billion, five hundred twelve million, twenty-four thousand, five".