20222121182 has 16 divisors (see below), whose sum is σ = 30587512032. Its totient is φ = 10026572640.

The previous prime is 20222121181. The next prime is 20222121217. The reversal of 20222121182 is 28112122202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68708 + ... + 212520.

It is an arithmetic number, because the mean of its divisors is an integer number (1911719502).

Almost surely, 2^20222121182 is an apocalyptic number.

20222121182 is a deficient number, since it is larger than the sum of its proper divisors (10365390850).

20222121182 is a wasteful number, since it uses less digits than its factorization.

20222121182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144403.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 20222121182 its reverse (28112122202), we get a palindrome (48334243384).

The spelling of 20222121182 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eighty-two".