2065120072 has 48 divisors (see below), whose sum is σ = 4004293860. Its totient is φ = 998424576.

The previous prime is 2065120069. The next prime is 2065120111. The reversal of 2065120072 is 2700215602.

It can be written as a sum of positive squares in 6 ways, for example, as 1982564676 + 82555396 = 44526^2 + 9086^2 .

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 11 ways as a sum of consecutive naturals, for example, 2113248 + ... + 2114224.

Almost surely, 2^2065120072 is an apocalyptic number.

It is an amenable number.

2065120072 is a deficient number, since it is larger than the sum of its proper divisors (1939173788).

2065120072 is a wasteful number, since it uses less digits than its factorization.

2065120072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2065120072 is about 45443.5921995610. The cubic root of 2065120072 is about 1273.4496233135.

Adding to 2065120072 its reverse (2700215602), we get a palindrome (4765335674).

The spelling of 2065120072 in words is "two billion, sixty-five million, one hundred twenty thousand, seventy-two".