20221120022 has 4 divisors (see below), whose sum is σ = 30331680036. Its totient is φ = 10110560010.

The previous prime is 20221120021. The next prime is 20221120037. The reversal of 20221120022 is 22002112202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20221119979 and 20221120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055280004 + ... + 5055280007.

It is an arithmetic number, because the mean of its divisors is an integer number (7582920009).

Almost surely, 2^20221120022 is an apocalyptic number.

20221120022 is a deficient number, since it is larger than the sum of its proper divisors (10110560014).

20221120022 is a wasteful number, since it uses less digits than its factorization.

20221120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110560013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20221120022 its reverse (22002112202), we get a palindrome (42223232224).

The spelling of 20221120022 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".