202221020009 has 8 divisors (see below), whose sum is σ = 209390986560. Its totient is φ = 195064175376.

The previous prime is 202221019997. The next prime is 202221020033. The reversal of 202221020009 is 900020122202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202221020009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221020069) 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, 3249107 + ... + 3310760.

It is an arithmetic number, because the mean of its divisors is an integer number (26173873320).

Almost surely, 2^202221020009 is an apocalyptic number.

202221020009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

202221020009 is a deficient number, since it is larger than the sum of its proper divisors (7169966551).

202221020009 is a wasteful number, since it uses less digits than its factorization.

202221020009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560959.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 202221020009 in words is "two hundred two billion, two hundred twenty-one million, twenty thousand, nine".