2020120505 has 16 divisors (see below), whose sum is σ = 2619865920. Its totient is φ = 1486496448.

The previous prime is 2020120457. The next prime is 2020120511. The reversal of 2020120505 is 5050210202.

It is a cyclic number.

It is not a de Polignac number, because 2020120505 - 2¹⁰ = 2020119481 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 36515 + ... + 73304.

It is an arithmetic number, because the mean of its divisors is an integer number (163741620).

Almost surely, 2^2020120505 is an apocalyptic number.

It is an amenable number.

2020120505 is a deficient number, since it is larger than the sum of its proper divisors (599745415).

2020120505 is a wasteful number, since it uses less digits than its factorization.

2020120505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110120.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2020120505 is about 44945.7506890251. The cubic root of 2020120505 is about 1264.1320015248.

Adding to 2020120505 its reverse (5050210202), we get a palindrome (7070330707).

The spelling of 2020120505 in words is "two billion, twenty million, one hundred twenty thousand, five hundred five".