2005667632 has 20 divisors (see below), whose sum is σ = 3897522616. Its totient is φ = 999855360.

The previous prime is 2005667611. The next prime is 2005667639. The reversal of 2005667632 is 2367665002.

It is a junction number, because it is equal to n+sod(n) for n = 2005667591 and 2005667600.

It is not an unprimeable number, because it can be changed into a prime (2005667639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180594 + ... + 191377.

Almost surely, 2^2005667632 is an apocalyptic number.

It is an amenable number.

2005667632 is a deficient number, since it is larger than the sum of its proper divisors (1891854984).

2005667632 is a wasteful number, since it uses less digits than its factorization.

2005667632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372316 (or 372310 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 2005667632 is about 44784.6807736753. The cubic root of 2005667632 is about 1261.1100556033.

The spelling of 2005667632 in words is "two billion, five million, six hundred sixty-seven thousand, six hundred thirty-two".