120020132005 has 16 divisors (see below), whose sum is σ = 152658327024. Its totient is φ = 90272005120.

The previous prime is 120020131999. The next prime is 120020132009. The reversal of 120020132005 is 500231020021.

It can be written as a sum of positive squares in 8 ways, for example, as 10561056289 + 109459075716 = 102767^2 + 330846^2 .

It is not a de Polignac number, because 120020132005 - 2⁷ = 120020131877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120020132005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020132009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670282 + ... + 830251.

It is an arithmetic number, because the mean of its divisors is an integer number (9541145439).

Almost surely, 2^120020132005 is an apocalyptic number.

It is an amenable number.

120020132005 is a deficient number, since it is larger than the sum of its proper divisors (32638195019).

120020132005 is a wasteful number, since it uses less digits than its factorization.

120020132005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501496.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 120020132005 its reverse (500231020021), we get a palindrome (620251152026).

The spelling of 120020132005 in words is "one hundred twenty billion, twenty million, one hundred thirty-two thousand, five".