20030321322 has 48 divisors (see below), whose sum is σ = 49836215520. Its totient is φ = 5750330400.

The previous prime is 20030321321. The next prime is 20030321357. The reversal of 20030321322 is 22312303002.

It is a happy number.

20030321322 is a `hidden beast` number, since 20 + 0 + 3 + 0 + 321 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20030321295 and 20030321304.

It is not an unprimeable number, because it can be changed into a prime (20030321321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2658429 + ... + 2665952.

It is an arithmetic number, because the mean of its divisors is an integer number (1038254490).

Almost surely, 2^20030321322 is an apocalyptic number.

20030321322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20030321322 is an abundant number, since it is smaller than the sum of its proper divisors (29805894198).

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

20030321322 is a wasteful number, since it uses less digits than its factorization.

20030321322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324419 (or 5324416 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20030321322 its reverse (22312303002), we get a palindrome (42342624324).

The spelling of 20030321322 in words is "twenty billion, thirty million, three hundred twenty-one thousand, three hundred twenty-two".