20310223322 has 4 divisors (see below), whose sum is σ = 30465334986. Its totient is φ = 10155111660.

The previous prime is 20310223313. The next prime is 20310223327. The reversal of 20310223322 is 22332201302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11627524561 + 8682698761 = 107831^2 + 93181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20310223294 and 20310223303.

It is not an unprimeable number, because it can be changed into a prime (20310223327) 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 as a sum of consecutive naturals, namely, 5077555829 + ... + 5077555832.

Almost surely, 2^20310223322 is an apocalyptic number.

20310223322 is a deficient number, since it is larger than the sum of its proper divisors (10155111664).

20310223322 is a wasteful number, since it uses less digits than its factorization.

20310223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155111663.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20310223322 its reverse (22332201302), we get a palindrome (42642424624).

The spelling of 20310223322 in words is "twenty billion, three hundred ten million, two hundred twenty-three thousand, three hundred twenty-two".