20221321130 has 24 divisors (see below), whose sum is σ = 36678660516. Its totient is φ = 8026715840.

The previous prime is 20221321129. The next prime is 20221321139. The reversal of 20221321130 is 3112312202.

20221321130 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16853492041 + 3367829089 = 129821^2 + 58033^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20221321099 and 20221321108.

It is not an unprimeable number, because it can be changed into a prime (20221321139) 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 11 ways as a sum of consecutive naturals, for example, 112694 + ... + 230526.

Almost surely, 2^20221321130 is an apocalyptic number.

20221321130 is a deficient number, since it is larger than the sum of its proper divisors (16457339386).

20221321130 is a wasteful number, since it uses less digits than its factorization.

20221321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118102 (or 117971 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20221321130 its reverse (3112312202), we get a palindrome (23333633332).

The spelling of 20221321130 in words is "twenty billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty".