20322205344 has 120 divisors (see below), whose sum is σ = 68305251168. Its totient is φ = 5806339200.

The previous prime is 20322205339. The next prime is 20322205367. The reversal of 20322205344 is 44350222302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 541882 + ... + 578169.

Almost surely, 2^20322205344 is an apocalyptic number.

20322205344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20322205344 is an abundant number, since it is smaller than the sum of its proper divisors (47983045824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20322205344 is a wasteful number, since it uses less digits than its factorization.

20322205344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120080 (or 1120063 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20322205344 its reverse (44350222302), we get a palindrome (64672427646).

The spelling of 20322205344 in words is "twenty billion, three hundred twenty-two million, two hundred five thousand, three hundred forty-four".