22020004404040 has 64 divisors (see below), whose sum is σ = 50165842104000. Its totient is φ = 8697732778752.

The previous prime is 22020004404007. The next prime is 22020004404071. The reversal of 22020004404040 is 4040440002022.

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, 5388754 + ... + 8548606.

It is an arithmetic number, because the mean of its divisors is an integer number (783841282875).

Almost surely, 2^{22020004404040} is an apocalyptic number.

22020004404040 is a gapful number since it is divisible by the number (20) 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 22020004404040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25082921052000).

22020004404040 is an abundant number, since it is smaller than the sum of its proper divisors (28145837699960).

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

22020004404040 is a wasteful number, since it uses less digits than its factorization.

22020004404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162046 (or 3162042 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22020004404040 its reverse (4040440002022), we get a palindrome (26060444406062).

The spelling of 22020004404040 in words is "twenty-two trillion, twenty billion, four million, four hundred four thousand, forty".