20312230322 has 8 divisors (see below), whose sum is σ = 30476207772. Its totient is φ = 10153494400.

The previous prime is 20312230319. The next prime is 20312230331. The reversal of 20312230322 is 22303221302.

It can be written as a sum of positive squares in 2 ways, for example, as 20266654321 + 45576001 = 142361^2 + 6751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20312230294 and 20312230303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300679 + ... + 1316202.

Almost surely, 2^20312230322 is an apocalyptic number.

20312230322 is a deficient number, since it is larger than the sum of its proper divisors (10163977450).

20312230322 is a wasteful number, since it uses less digits than its factorization.

20312230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620764.

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

Adding to 20312230322 its reverse (22303221302), we get a palindrome (42615451624).

The spelling of 20312230322 in words is "twenty billion, three hundred twelve million, two hundred thirty thousand, three hundred twenty-two".