20202322130 has 32 divisors (see below), whose sum is σ = 38570166576. Its totient is φ = 7592361984.

The previous prime is 20202322081. The next prime is 20202322139. The reversal of 20202322130 is 3122320202.

It can be written as a sum of positive squares in 8 ways, for example, as 19955235169 + 247086961 = 141263^2 + 15719^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 20202322099 and 20202322108.

It is not an unprimeable number, because it can be changed into a prime (20202322139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4889 + ... + 201068.

Almost surely, 2^20202322130 is an apocalyptic number.

20202322130 is a deficient number, since it is larger than the sum of its proper divisors (18367844446).

20202322130 is a wasteful number, since it uses less digits than its factorization.

20202322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206558.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20202322130 its reverse (3122320202), we get a palindrome (23324642332).

The spelling of 20202322130 in words is "twenty billion, two hundred two million, three hundred twenty-two thousand, one hundred thirty".