20222120018 has 8 divisors (see below), whose sum is σ = 30519273648. Its totient is φ = 10049028804.

The previous prime is 20222120011. The next prime is 20222120047. The reversal of 20222120018 is 81002122202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20222120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31015196 + ... + 31015847.

It is an arithmetic number, because the mean of its divisors is an integer number (3814909206).

Almost surely, 2^20222120018 is an apocalyptic number.

20222120018 is a deficient number, since it is larger than the sum of its proper divisors (10297153630).

20222120018 is a wasteful number, since it uses less digits than its factorization.

20222120018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62031208.

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 20222120018 in words is "twenty billion, two hundred twenty-two million, one hundred twenty thousand, eighteen".