20022202121209 has 16 divisors (see below), whose sum is σ = 20286733259520. Its totient is φ = 19757951665920.

The previous prime is 20022202121123. The next prime is 20022202121219. The reversal of 20022202121209 is 90212120222002.

It is a cyclic number.

It is not a de Polignac number, because 20022202121209 - 2¹⁹ = 20022201596921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022202121219) 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, 1405750242 + ... + 1405764484.

It is an arithmetic number, because the mean of its divisors is an integer number (1267920828720).

Almost surely, 2^{20022202121209} is an apocalyptic number.

It is an amenable number.

20022202121209 is a deficient number, since it is larger than the sum of its proper divisors (264531138311).

20022202121209 is a wasteful number, since it uses less digits than its factorization.

20022202121209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20022202121209 in words is "twenty trillion, twenty-two billion, two hundred two million, one hundred twenty-one thousand, two hundred nine".