20424444202022 has 32 divisors (see below), whose sum is σ = 36081632347200. Its totient is φ = 8666666534400.

The previous prime is 20424444201979. The next prime is 20424444202027. The reversal of 20424444202022 is 22020244442402.

It is a self number, because there is not a number n which added to its sum of digits gives 20424444202022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424444202027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147323003 + ... + 147461574.

It is an arithmetic number, because the mean of its divisors is an integer number (1127551010850).

Almost surely, 2^{20424444202022} is an apocalyptic number.

20424444202022 is a deficient number, since it is larger than the sum of its proper divisors (15657188145178).

20424444202022 is a wasteful number, since it uses less digits than its factorization.

20424444202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294784701 (or 294784687 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20424444202022 its reverse (22020244442402), we get a palindrome (42444688644424).

The spelling of 20424444202022 in words is "twenty trillion, four hundred twenty-four billion, four hundred forty-four million, two hundred two thousand, twenty-two".