4020203222244 has 144 divisors (see below), whose sum is σ = 11691899069760. Its totient is φ = 1151908992000.

The previous prime is 4020203222209. The next prime is 4020203222267. The reversal of 4020203222244 is 4422223020204.

4020203222244 is a `hidden beast` number, since 402 + 0 + 2 + 0 + 32 + 2 + 224 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3407224 + ... + 4432784.

It is an arithmetic number, because the mean of its divisors is an integer number (81193743540).

Almost surely, 2^{4020203222244} is an apocalyptic number.

4020203222244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020203222244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5845949534880).

4020203222244 is an abundant number, since it is smaller than the sum of its proper divisors (7671695847516).

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

4020203222244 is a wasteful number, since it uses less digits than its factorization.

4020203222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026122 (or 1026117 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 4020203222244 its reverse (4422223020204), we get a palindrome (8442426242448).

The spelling of 4020203222244 in words is "four trillion, twenty billion, two hundred three million, two hundred twenty-two thousand, two hundred forty-four".