22002020244400 has 120 divisors (see below), whose sum is σ = 60413218779744. Its totient is φ = 7543305369600.

The previous prime is 22002020244319. The next prime is 22002020244401. The reversal of 22002020244400 is 444202020022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22002020244401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100503060 + ... + 100721740.

Almost surely, 2^{22002020244400} is an apocalyptic number.

22002020244400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002020244400 is an abundant number, since it is smaller than the sum of its proper divisors (38411198535344).

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

22002020244400 is a wasteful number, since it uses less digits than its factorization.

22002020244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254639 (or 254628 counting only the distinct ones).

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

Adding to 22002020244400 its reverse (444202020022), we get a palindrome (22446222264422).

The spelling of 22002020244400 in words is "twenty-two trillion, two billion, twenty million, two hundred forty-four thousand, four hundred".