20202222209 has 8 divisors (see below), whose sum is σ = 21815525760. Its totient is φ = 18597388176.

The previous prime is 20202222193. The next prime is 20202222217. The reversal of 20202222209 is 90222220202.

It is a happy number.

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 20202222209 - 2⁴ = 20202222193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202222269) 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, 2112419 + ... + 2121960.

It is an arithmetic number, because the mean of its divisors is an integer number (2726940720).

Almost surely, 2^20202222209 is an apocalyptic number.

It is an amenable number.

20202222209 is a deficient number, since it is larger than the sum of its proper divisors (1613303551).

20202222209 is a wasteful number, since it uses less digits than its factorization.

20202222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234759.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 20202222209 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred nine".