20313222122 has 8 divisors (see below), whose sum is σ = 31212999972. Its totient is φ = 9908888800.

The previous prime is 20313222113. The next prime is 20313222143. The reversal of 20313222122 is 22122231302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20084274961 + 228947161 = 141719^2 + 15131^2 .

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 = 20313222094 and 20313222103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 123861029 + ... + 123861192.

Almost surely, 2^20313222122 is an apocalyptic number.

20313222122 is a deficient number, since it is larger than the sum of its proper divisors (10899777850).

20313222122 is a wasteful number, since it uses less digits than its factorization.

20313222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247722264.

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

Adding to 20313222122 its reverse (22122231302), we get a palindrome (42435453424).

The spelling of 20313222122 in words is "twenty billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred twenty-two".