20310212322 has 20 divisors (see below), whose sum is σ = 45509920566. Its totient is φ = 6770070720.

The previous prime is 20310212297. The next prime is 20310212323. The reversal of 20310212322 is 22321201302.

20310212322 is a `hidden beast` number, since 20 + 310 + 2 + 12 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17334618921 + 2975593401 = 131661^2 + 54549^2 .

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 = 20310212295 and 20310212304.

It is not an unprimeable number, because it can be changed into a prime (20310212323) 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 9 ways as a sum of consecutive naturals, for example, 62685679 + ... + 62686002.

Almost surely, 2^20310212322 is an apocalyptic number.

20310212322 is an abundant number, since it is smaller than the sum of its proper divisors (25199708244).

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

20310212322 is a wasteful number, since it uses less digits than its factorization.

20310212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125371695 (or 125371686 counting only the distinct ones).

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

Adding to 20310212322 its reverse (22321201302), we get a palindrome (42631413624).

The spelling of 20310212322 in words is "twenty billion, three hundred ten million, two hundred twelve thousand, three hundred twenty-two".