20383421322 has 64 divisors (see below), whose sum is σ = 45541140480. Its totient is φ = 6028646400.

The previous prime is 20383421321. The next prime is 20383421339. The reversal of 20383421322 is 22312438302.

It is a self number, because there is not a number n which added to its sum of digits gives 20383421322.

It is not an unprimeable number, because it can be changed into a prime (20383421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7578954 + ... + 7581642.

It is an arithmetic number, because the mean of its divisors is an integer number (711580320).

Almost surely, 2^20383421322 is an apocalyptic number.

20383421322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20383421322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22770570240).

20383421322 is an abundant number, since it is smaller than the sum of its proper divisors (25157719158).

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

20383421322 is a wasteful number, since it uses less digits than its factorization.

20383421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20383421322 its reverse (22312438302), we get a palindrome (42695859624).

The spelling of 20383421322 in words is "twenty billion, three hundred eighty-three million, four hundred twenty-one thousand, three hundred twenty-two".