2001205476 has 36 divisors (see below), whose sum is σ = 5324846800. Its totient is φ = 631959408.

The previous prime is 2001205469. The next prime is 2001205477. The reversal of 2001205476 is 6745021002.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2001205477) 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 11 ways as a sum of consecutive naturals, for example, 1462186 + ... + 1463553.

Almost surely, 2^2001205476 is an apocalyptic number.

It is an amenable number.

2001205476 is an abundant number, since it is smaller than the sum of its proper divisors (3323641324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001205476 is a wasteful number, since it uses less digits than its factorization.

2001205476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925768 (or 2925763 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2001205476 is about 44734.8351511437. The cubic root of 2001205476 is about 1260.1741331520.

Adding to 2001205476 its reverse (6745021002), we get a palindrome (8746226478).

The spelling of 2001205476 in words is "two billion, one million, two hundred five thousand, four hundred seventy-six".