20301221322 has 40 divisors (see below), whose sum is σ = 45587352096. Its totient is φ = 6752558088.

The previous prime is 20301221321. The next prime is 20301221357. The reversal of 20301221322 is 22312210302.

20301221322 is a `hidden beast` number, since 20 + 301 + 2 + 21 + 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 = 20301221295 and 20301221304.

It is not an unprimeable number, because it can be changed into a prime (20301221321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58518 + ... + 209825.

Almost surely, 2^20301221322 is an apocalyptic number.

20301221322 is an abundant number, since it is smaller than the sum of its proper divisors (25286130774).

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

20301221322 is a wasteful number, since it uses less digits than its factorization.

20301221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268824 (or 268815 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20301221322 its reverse (22312210302), we get a palindrome (42613431624).

The spelling of 20301221322 in words is "twenty billion, three hundred one million, two hundred twenty-one thousand, three hundred twenty-two".