1000020201 has 8 divisors (see below), whose sum is σ = 1369397184. Its totient is φ = 648661680.

The previous prime is 1000020193. The next prime is 1000020209. The reversal of 1000020201 is 1020200001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1000020193) and next prime (1000020209).

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

It is not a de Polignac number, because 1000020201 - 2³ = 1000020193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000020201.

It is not an unprimeable number, because it can be changed into a prime (1000020209) 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, 4504485 + ... + 4504706.

It is an arithmetic number, because the mean of its divisors is an integer number (171174648).

Almost surely, 2^1000020201 is an apocalyptic number.

It is an amenable number.

1000020201 is a deficient number, since it is larger than the sum of its proper divisors (369376983).

1000020201 is an equidigital number, since it uses as much as digits as its factorization.

1000020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009231.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1000020201 is about 31623.0960059258. The cubic root of 1000020201 is about 1000.0067336213.

Adding to 1000020201 its reverse (1020200001), we get a palindrome (2020220202).

The spelling of 1000020201 in words is "one billion, twenty thousand, two hundred one".