20012202220022 has 4 divisors (see below), whose sum is σ = 30018303330036. Its totient is φ = 10006101110010.

The previous prime is 20012202220019. The next prime is 20012202220061. The reversal of 20012202220022 is 22002220221002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003050555004 + ... + 5003050555007.

It is an arithmetic number, because the mean of its divisors is an integer number (7504575832509).

Almost surely, 2^{20012202220022} is an apocalyptic number.

20012202220022 is a deficient number, since it is larger than the sum of its proper divisors (10006101110014).

20012202220022 is a wasteful number, since it uses less digits than its factorization.

20012202220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006101110013.

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

Adding to 20012202220022 its reverse (22002220221002), we get a palindrome (42014422441024).

The spelling of 20012202220022 in words is "twenty trillion, twelve billion, two hundred two million, two hundred twenty thousand, twenty-two".