2001205432 has 32 divisors (see below), whose sum is σ = 3809894400. Its totient is φ = 985269600.

The previous prime is 2001205417. The next prime is 2001205469. The reversal of 2001205432 is 2345021002.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 588457 + ... + 591847.

It is an arithmetic number, because the mean of its divisors is an integer number (119059200).

Almost surely, 2^2001205432 is an apocalyptic number.

It is an amenable number.

2001205432 is a deficient number, since it is larger than the sum of its proper divisors (1808688968).

2001205432 is a wasteful number, since it uses less digits than its factorization.

2001205432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2001205432 is about 44734.8346593569. The cubic root of 2001205432 is about 1260.1741239163.

Adding to 2001205432 its reverse (2345021002), we get a palindrome (4346226434).

The spelling of 2001205432 in words is "two billion, one million, two hundred five thousand, four hundred thirty-two".