20022011122202 has 4 divisors (see below), whose sum is σ = 30033016683306. Its totient is φ = 10011005561100.

The previous prime is 20022011122187. The next prime is 20022011122259. The reversal of 20022011122202 is 20222111022002.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 19955152160161 + 66858962041 = 4467119^2 + 258571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005502780549 + ... + 5005502780552.

Almost surely, 2^{20022011122202} is an apocalyptic number.

20022011122202 is a deficient number, since it is larger than the sum of its proper divisors (10011005561104).

20022011122202 is a wasteful number, since it uses less digits than its factorization.

20022011122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011005561103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022011122202 its reverse (20222111022002), we get a palindrome (40244122144204).

The spelling of 20022011122202 in words is "twenty trillion, twenty-two billion, eleven million, one hundred twenty-two thousand, two hundred two".