20202122222 has 16 divisors (see below), whose sum is σ = 31455475200. Its totient is φ = 9720604920.

The previous prime is 20202122221. The next prime is 20202122231. The reversal of 20202122222 is 22222120202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202122221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899072 + ... + 921267.

It is an arithmetic number, because the mean of its divisors is an integer number (1965967200).

Almost surely, 2^20202122222 is an apocalyptic number.

20202122222 is a deficient number, since it is larger than the sum of its proper divisors (11253352978).

20202122222 is a wasteful number, since it uses less digits than its factorization.

20202122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820551.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20202122222 its reverse (22222120202), we get a palindrome (42424242424).

The spelling of 20202122222 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".