20075010505 has 32 divisors (see below), whose sum is σ = 26513993088. Its totient is φ = 14470310400.

The previous prime is 20075010463. The next prime is 20075010509. The reversal of 20075010505 is 50501057002.

It is a happy number.

It is not a de Polignac number, because 20075010505 - 2³¹ = 17927526857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20075010505.

It is not an unprimeable number, because it can be changed into a prime (20075010509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8738517 + ... + 8740813.

It is an arithmetic number, because the mean of its divisors is an integer number (828562284).

Almost surely, 2^20075010505 is an apocalyptic number.

It is an amenable number.

20075010505 is a deficient number, since it is larger than the sum of its proper divisors (6438982583).

20075010505 is a wasteful number, since it uses less digits than its factorization.

20075010505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657.

The product of its (nonzero) digits is 1750, while the sum is 25.

Adding to 20075010505 its reverse (50501057002), we get a palindrome (70576067507).

The spelling of 20075010505 in words is "twenty billion, seventy-five million, ten thousand, five hundred five".