20331312122 has 8 divisors (see below), whose sum is σ = 33269419872. Its totient is φ = 9241505500.

The previous prime is 20331312119. The next prime is 20331312167. The reversal of 20331312122 is 22121313302.

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 = 20331312094 and 20331312103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462075254 + ... + 462075297.

It is an arithmetic number, because the mean of its divisors is an integer number (4158677484).

Almost surely, 2^20331312122 is an apocalyptic number.

20331312122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20331312122 is a deficient number, since it is larger than the sum of its proper divisors (12938107750).

20331312122 is a wasteful number, since it uses less digits than its factorization.

20331312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924150564.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20331312122 its reverse (22121313302), we get a palindrome (42452625424).

The spelling of 20331312122 in words is "twenty billion, three hundred thirty-one million, three hundred twelve thousand, one hundred twenty-two".