20022224000 has 128 divisors (see below), whose sum is σ = 50065516800. Its totient is φ = 7963008000.

The previous prime is 20022223961. The next prime is 20022224021. The reversal of 20022224000 is 42222002.

It is a tau number, because it is divible by the number of its divisors (128).

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, 2860505 + ... + 2867495.

It is an arithmetic number, because the mean of its divisors is an integer number (391136850).

Almost surely, 2^20022224000 is an apocalyptic number.

20022224000 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 20022224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25032758400).

20022224000 is an abundant number, since it is smaller than the sum of its proper divisors (30043292800).

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

20022224000 is an equidigital number, since it uses as much as digits as its factorization.

20022224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20022224000 its reverse (42222002), we get a palindrome (20064446002).

The spelling of 20022224000 in words is "twenty billion, twenty-two million, two hundred twenty-four thousand".