20322123307 has 4 divisors (see below), whose sum is σ = 20322425536. Its totient is φ = 20321821080.

The previous prime is 20322123301. The next prime is 20322123329. The reversal of 20322123307 is 70332122302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20322123307 - 2³ = 20322123299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322123301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 201604.

It is an arithmetic number, because the mean of its divisors is an integer number (5080606384).

Almost surely, 2^20322123307 is an apocalyptic number.

20322123307 is a deficient number, since it is larger than the sum of its proper divisors (302229).

20322123307 is a wasteful number, since it uses less digits than its factorization.

20322123307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302228.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 20322123307 its reverse (70332122302), we get a palindrome (90654245609).

The spelling of 20322123307 in words is "twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred seven".