200010202021 has 16 divisors (see below), whose sum is σ = 233951027200. Its totient is φ = 167413136688.

The previous prime is 200010201991. The next prime is 200010202033. The reversal of 200010202021 is 120202010002.

It is not a de Polignac number, because 200010202021 - 2¹⁹ = 200009677733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200010201989 and 200010202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010202081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324720 + ... + 1467958.

It is an arithmetic number, because the mean of its divisors is an integer number (14621939200).

Almost surely, 2^200010202021 is an apocalyptic number.

It is an amenable number.

200010202021 is a deficient number, since it is larger than the sum of its proper divisors (33940825179).

200010202021 is a wasteful number, since it uses less digits than its factorization.

200010202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147928.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200010202021 its reverse (120202010002), we get a palindrome (320212212023).

The spelling of 200010202021 in words is "two hundred billion, ten million, two hundred two thousand, twenty-one".