20422224111144 has 64 divisors (see below), whose sum is σ = 51130708588800. Its totient is φ = 6797392632576.

The previous prime is 20422224111073. The next prime is 20422224111161. The reversal of 20422224111144 is 44111142222402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75928162 + ... + 76196654.

It is an arithmetic number, because the mean of its divisors is an integer number (798917321700).

Almost surely, 2^{20422224111144} is an apocalyptic number.

20422224111144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20422224111144 is an abundant number, since it is smaller than the sum of its proper divisors (30708484477656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422224111144 is a wasteful number, since it uses less digits than its factorization.

20422224111144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273154 (or 273150 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 20422224111144 its reverse (44111142222402), we get a palindrome (64533366333546).

The spelling of 20422224111144 in words is "twenty trillion, four hundred twenty-two billion, two hundred twenty-four million, one hundred eleven thousand, one hundred forty-four".