22000404024420 has 96 divisors (see below), whose sum is σ = 62215330697856. Its totient is φ = 5808287232000.

The previous prime is 22000404024413. The next prime is 22000404024449. The reversal of 22000404024420 is 2442040400022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93612660 + ... + 93847380.

It is an arithmetic number, because the mean of its divisors is an integer number (648076361436).

Almost surely, 2^{22000404024420} is an apocalyptic number.

22000404024420 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 22000404024420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31107665348928).

22000404024420 is an abundant number, since it is smaller than the sum of its proper divisors (40214926673436).

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

22000404024420 is a wasteful number, since it uses less digits than its factorization.

22000404024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250301 (or 250299 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22000404024420 its reverse (2442040400022), we get a palindrome (24442444424442).

The spelling of 22000404024420 in words is "twenty-two trillion, four hundred four million, twenty-four thousand, four hundred twenty".