20384020222 has 4 divisors (see below), whose sum is σ = 30576030336. Its totient is φ = 10192010110.

The previous prime is 20384020213. The next prime is 20384020243. The reversal of 20384020222 is 22202048302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5096005054 + ... + 5096005057.

It is an arithmetic number, because the mean of its divisors is an integer number (7644007584).

Almost surely, 2^20384020222 is an apocalyptic number.

20384020222 is a deficient number, since it is larger than the sum of its proper divisors (10192010114).

20384020222 is a wasteful number, since it uses less digits than its factorization.

20384020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192010113.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20384020222 its reverse (22202048302), we get a palindrome (42586068524).

The spelling of 20384020222 in words is "twenty billion, three hundred eighty-four million, twenty thousand, two hundred twenty-two".