20202222194 has 48 divisors (see below), whose sum is σ = 38096520000. Its totient is φ = 7864892640.

The previous prime is 20202222193. The next prime is 20202222217. The reversal of 20202222194 is 49122220202.

It is not an unprimeable number, because it can be changed into a prime (20202222193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2620157 + ... + 2627855.

It is an arithmetic number, because the mean of its divisors is an integer number (793677500).

Almost surely, 2^20202222194 is an apocalyptic number.

20202222194 is a deficient number, since it is larger than the sum of its proper divisors (17894297806).

20202222194 is a wasteful number, since it uses less digits than its factorization.

20202222194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279 (or 9268 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20202222194 its reverse (49122220202), we get a palindrome (69324442396).

The spelling of 20202222194 in words is "twenty billion, two hundred two million, two hundred twenty-two thousand, one hundred ninety-four".