20322306369 has 48 divisors (see below), whose sum is σ = 30511812240. Its totient is φ = 13024788480.

The previous prime is 20322306331. The next prime is 20322306383. The reversal of 20322306369 is 96360322302.

It is a happy number.

20322306369 is a `hidden beast` number, since 20 + 322 + 306 + 3 + 6 + 9 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10523682225 + 9798624144 = 102585^2 + 98988^2 .

It is not a de Polignac number, because 20322306369 - 2¹⁶ = 20322240833 is a prime.

It is a super-2 number, since 2×20322306369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20322306769) 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 47 ways as a sum of consecutive naturals, for example, 11591997 + ... + 11593749.

It is an arithmetic number, because the mean of its divisors is an integer number (635662755).

Almost surely, 2^20322306369 is an apocalyptic number.

It is an amenable number.

20322306369 is a deficient number, since it is larger than the sum of its proper divisors (10189505871).

20322306369 is a wasteful number, since it uses less digits than its factorization.

20322306369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 20322306369 in words is "twenty billion, three hundred twenty-two million, three hundred six thousand, three hundred sixty-nine".