2001220413 has 8 divisors (see below), whose sum is σ = 2705875776. Its totient is φ = 1315356000.

The previous prime is 2001220393. The next prime is 2001220421. The reversal of 2001220413 is 3140221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001220413 - 2⁶ = 2001220349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001220392 and 2001220401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001240413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4697488 + ... + 4697913.

It is an arithmetic number, because the mean of its divisors is an integer number (338234472).

Almost surely, 2^2001220413 is an apocalyptic number.

It is an amenable number.

2001220413 is a deficient number, since it is larger than the sum of its proper divisors (704655363).

2001220413 is an equidigital number, since it uses as much as digits as its factorization.

2001220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2001220413 is about 44735.0021012629. The cubic root of 2001220413 is about 1260.1772684579.

Adding to 2001220413 its reverse (3140221002), we get a palindrome (5141441415).

The spelling of 2001220413 in words is "two billion, one million, two hundred twenty thousand, four hundred thirteen".