20312122322 has 8 divisors (see below), whose sum is σ = 30769848972. Its totient is φ = 10055506000.

The previous prime is 20312122307. The next prime is 20312122409. The reversal of 20312122322 is 22322121302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19748961961 + 563160361 = 140531^2 + 23731^2 .

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 = 20312122294 and 20312122303.

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, 50277329 + ... + 50277732.

Almost surely, 2^20312122322 is an apocalyptic number.

20312122322 is a deficient number, since it is larger than the sum of its proper divisors (10457726650).

20312122322 is a wasteful number, since it uses less digits than its factorization.

20312122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555164.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20312122322 its reverse (22322121302), we get a palindrome (42634243624).

The spelling of 20312122322 in words is "twenty billion, three hundred twelve million, one hundred twenty-two thousand, three hundred twenty-two".