20312210122 has 8 divisors (see below), whose sum is σ = 30469231872. Its totient is φ = 10155799500.

The previous prime is 20312210099. The next prime is 20312210123. The reversal of 20312210122 is 22101221302.

It is a happy number.

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 = 20312210096 and 20312210105.

It is not an unprimeable number, because it can be changed into a prime (20312210123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57904 + ... + 209707.

It is an arithmetic number, because the mean of its divisors is an integer number (3808653984).

Almost surely, 2^20312210122 is an apocalyptic number.

20312210122 is a deficient number, since it is larger than the sum of its proper divisors (10157021750).

20312210122 is a wasteful number, since it uses less digits than its factorization.

20312210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305564.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20312210122 its reverse (22101221302), we get a palindrome (42413431424).

The spelling of 20312210122 in words is "twenty billion, three hundred twelve million, two hundred ten thousand, one hundred twenty-two".