20422042022 has 4 divisors (see below), whose sum is σ = 30633063036. Its totient is φ = 10211021010.

The previous prime is 20422042007. The next prime is 20422042031. The reversal of 20422042022 is 22024022402.

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 = 20422041985 and 20422042003.

It is a congruent number.

It is an unprimeable number.

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, 5105510504 + ... + 5105510507.

It is an arithmetic number, because the mean of its divisors is an integer number (7658265759).

Almost surely, 2^20422042022 is an apocalyptic number.

20422042022 is a deficient number, since it is larger than the sum of its proper divisors (10211021014).

20422042022 is a wasteful number, since it uses less digits than its factorization.

20422042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211021013.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20422042022 its reverse (22024022402), we get a palindrome (42446064424).

The spelling of 20422042022 in words is "twenty billion, four hundred twenty-two million, forty-two thousand, twenty-two".