20322050345 has 4 divisors (see below), whose sum is σ = 24386460420. Its totient is φ = 16257640272.

The previous prime is 20322050321. The next prime is 20322050351. The reversal of 20322050345 is 54305022302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13328240704 + 6993809641 = 115448^2 + 83629^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322050345 - 2²⁴ = 20305273129 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2032205030 + ... + 2032205039.

It is an arithmetic number, because the mean of its divisors is an integer number (6096615105).

Almost surely, 2^20322050345 is an apocalyptic number.

It is an amenable number.

20322050345 is a deficient number, since it is larger than the sum of its proper divisors (4064410075).

20322050345 is an equidigital number, since it uses as much as digits as its factorization.

20322050345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064410074.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20322050345 its reverse (54305022302), we get a palindrome (74627072647).

The spelling of 20322050345 in words is "twenty billion, three hundred twenty-two million, fifty thousand, three hundred forty-five".