200002220021 has 8 divisors (see below), whose sum is σ = 201156339384. Its totient is φ = 198848640960.

The previous prime is 200002219993. The next prime is 200002220023. The reversal of 200002220021 is 120022200002.

It can be written as a sum of positive squares in 4 ways, for example, as 720331921 + 199281888100 = 26839^2 + 446410^2 .

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 200002220021 - 2⁶ = 200002219957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002219984 and 200002220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002220023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619511 + ... + 885323.

It is an arithmetic number, because the mean of its divisors is an integer number (25144542423).

Almost surely, 2^200002220021 is an apocalyptic number.

It is an amenable number.

200002220021 is a deficient number, since it is larger than the sum of its proper divisors (1154119363).

200002220021 is a wasteful number, since it uses less digits than its factorization.

200002220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270151.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200002220021 its reverse (120022200002), we get a palindrome (320024420023).

The spelling of 200002220021 in words is "two hundred billion, two million, two hundred twenty thousand, twenty-one".