20002242194 has 16 divisors (see below), whose sum is σ = 34656291936. Its totient is φ = 8557108800.

The previous prime is 20002242179. The next prime is 20002242199. The reversal of 20002242194 is 49124220002.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20002242199) 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, 26740592 + ... + 26741339.

It is an arithmetic number, because the mean of its divisors is an integer number (2166018246).

Almost surely, 2^20002242194 is an apocalyptic number.

20002242194 is a deficient number, since it is larger than the sum of its proper divisors (14654049742).

20002242194 is a wasteful number, since it uses less digits than its factorization.

20002242194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53481961.

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

Adding to 20002242194 its reverse (49124220002), we get a palindrome (69126462196).

The spelling of 20002242194 in words is "twenty billion, two million, two hundred forty-two thousand, one hundred ninety-four".