2120065005 has 8 divisors (see below), whose sum is σ = 3392104032. Its totient is φ = 1130701328.

The previous prime is 2120065001. The next prime is 2120065037. The reversal of 2120065005 is 5005600212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120065005 - 2² = 2120065001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120065001) by changing a digit.

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, 70668819 + ... + 70668848.

It is an arithmetic number, because the mean of its divisors is an integer number (424013004).

Almost surely, 2^2120065005 is an apocalyptic number.

It is an amenable number.

2120065005 is a deficient number, since it is larger than the sum of its proper divisors (1272039027).

2120065005 is a wasteful number, since it uses less digits than its factorization.

2120065005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141337675.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2120065005 is about 46044.1636366652. The cubic root of 2120065005 is about 1284.6447876853.

Adding to 2120065005 its reverse (5005600212), we get a palindrome (7125665217).

The spelling of 2120065005 in words is "two billion, one hundred twenty million, sixty-five thousand, five".