20022210009 has 6 divisors (see below), whose sum is σ = 28920970026. Its totient is φ = 13348140000.

The previous prime is 20022209993. The next prime is 20022210017. The reversal of 20022210009 is 90001222002.

It can be written as a sum of positive squares in only one way, i.e., 14167664784 + 5854545225 = 119028^2 + 76515^2 .

It is not a de Polignac number, because 20022210009 - 2⁴ = 20022209993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022209973 and 20022210000.

It is not an unprimeable number, because it can be changed into a prime (20022210049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112344992 + ... + 1112345009.

It is an arithmetic number, because the mean of its divisors is an integer number (4820161671).

Almost surely, 2^20022210009 is an apocalyptic number.

It is an amenable number.

20022210009 is a deficient number, since it is larger than the sum of its proper divisors (8898760017).

20022210009 is a wasteful number, since it uses less digits than its factorization.

20022210009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224690007 (or 2224690004 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 20022210009 in words is "twenty billion, twenty-two million, two hundred ten thousand, nine".