20122000222 has 4 divisors (see below), whose sum is σ = 30183000336. Its totient is φ = 10061000110.

The previous prime is 20122000219. The next prime is 20122000243. The reversal of 20122000222 is 22200022102.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030500054 + ... + 5030500057.

It is an arithmetic number, because the mean of its divisors is an integer number (7545750084).

Almost surely, 2^20122000222 is an apocalyptic number.

20122000222 is a deficient number, since it is larger than the sum of its proper divisors (10061000114).

20122000222 is a wasteful number, since it uses less digits than its factorization.

20122000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061000113.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20122000222 its reverse (22200022102), we get a palindrome (42322022324).

The spelling of 20122000222 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.