20522450323 has 8 divisors (see below), whose sum is σ = 20616537600. Its totient is φ = 20428402368.

The previous prime is 20522450233. The next prime is 20522450357. The reversal of 20522450323 is 32305422502.

It is a happy number.

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 20522450323 - 2²¹ = 20520353171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20522450291 and 20522450300.

It is not an unprimeable number, because it can be changed into a prime (20522450363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718190 + ... + 1730092.

It is an arithmetic number, because the mean of its divisors is an integer number (2577067200).

Almost surely, 2^20522450323 is an apocalyptic number.

20522450323 is a deficient number, since it is larger than the sum of its proper divisors (94087277).

20522450323 is a wasteful number, since it uses less digits than its factorization.

20522450323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20522450323 its reverse (32305422502), we get a palindrome (52827872825).

The spelling of 20522450323 in words is "twenty billion, five hundred twenty-two million, four hundred fifty thousand, three hundred twenty-three".