20122102222 has 8 divisors (see below), whose sum is σ = 30262793400. Its totient is φ = 10034504424.

The previous prime is 20122102219. The next prime is 20122102223. The reversal of 20122102222 is 22220122102.

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 = 20122102196 and 20122102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122102223) 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, 13272397 + ... + 13273912.

It is an arithmetic number, because the mean of its divisors is an integer number (3782849175).

Almost surely, 2^20122102222 is an apocalyptic number.

20122102222 is a deficient number, since it is larger than the sum of its proper divisors (10140691178).

20122102222 is a wasteful number, since it uses less digits than its factorization.

20122102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546690.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20122102222 its reverse (22220122102), we get a palindrome (42342224324).

The spelling of 20122102222 in words is "twenty billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-two".