20022303209 has 8 divisors (see below), whose sum is σ = 20244161448. Its totient is φ = 19800760320.

The previous prime is 20022303193. The next prime is 20022303251. The reversal of 20022303209 is 90230322002.

It can be written as a sum of positive squares in 4 ways, for example, as 2345271184 + 17677032025 = 48428^2 + 132955^2 .

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 20022303209 - 2⁴ = 20022303193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022303289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50009 + ... + 206265.

It is an arithmetic number, because the mean of its divisors is an integer number (2530520181).

Almost surely, 2^20022303209 is an apocalyptic number.

It is an amenable number.

20022303209 is a deficient number, since it is larger than the sum of its proper divisors (221858239).

20022303209 is a wasteful number, since it uses less digits than its factorization.

20022303209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157675.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 20022303209 in words is "twenty billion, twenty-two million, three hundred three thousand, two hundred nine".