20000002201 has 8 divisors (see below), whose sum is σ = 20087503304. Its totient is φ = 19912538880.

The previous prime is 20000002181. The next prime is 20000002213. The reversal of 20000002201 is 10220000002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4287630400 + 15712371801 = 65480^2 + 125349^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20000002201 - 2⁹ = 20000001689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000002271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761595 + ... + 1772911.

It is an arithmetic number, because the mean of its divisors is an integer number (2510937913).

Almost surely, 2^20000002201 is an apocalyptic number.

It is an amenable number.

20000002201 is a deficient number, since it is larger than the sum of its proper divisors (87501103).

20000002201 is a wasteful number, since it uses less digits than its factorization.

20000002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20000002201 its reverse (10220000002), we get a palindrome (30220002203).

The spelling of 20000002201 in words is "twenty billion, two thousand, two hundred one".