200220222021 has 16 divisors (see below), whose sum is σ = 267403053120. Its totient is φ = 133258942080.

The previous prime is 200220221983. The next prime is 200220222077. The reversal of 200220222021 is 120222022002.

It is not a de Polignac number, because 200220222021 - 2¹⁰ = 200220220997 is a prime.

It is a super-2 number, since 2×200220222021² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220222821) 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 15 ways as a sum of consecutive naturals, for example, 4928490 + ... + 4968948.

It is an arithmetic number, because the mean of its divisors is an integer number (16712690820).

Almost surely, 2^200220222021 is an apocalyptic number.

It is an amenable number.

200220222021 is a deficient number, since it is larger than the sum of its proper divisors (67182831099).

200220222021 is a wasteful number, since it uses less digits than its factorization.

200220222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43156.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 200220222021 its reverse (120222022002), we get a palindrome (320442244023).

The spelling of 200220222021 in words is "two hundred billion, two hundred twenty million, two hundred twenty-two thousand, twenty-one".