22004020044020 has 96 divisors (see below), whose sum is σ = 53068567910400. Its totient is φ = 7507336846464.

The previous prime is 22004020043917. The next prime is 22004020044023. The reversal of 22004020044020 is 2044002040022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22004020043983 and 22004020044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004020044023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 23037521 + ... + 23973639.

It is an arithmetic number, because the mean of its divisors is an integer number (552797582400).

Almost surely, 2^{22004020044020} is an apocalyptic number.

22004020044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004020044020 is an abundant number, since it is smaller than the sum of its proper divisors (31064547866380).

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

22004020044020 is a wasteful number, since it uses less digits than its factorization.

22004020044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936957 (or 936955 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22004020044020 its reverse (2044002040022), we get a palindrome (24048022084042).

The spelling of 22004020044020 in words is "twenty-two trillion, four billion, twenty million, forty-four thousand, twenty".