20442442022 has 8 divisors (see below), whose sum is σ = 30705498336. Its totient is φ = 10207275912.

The previous prime is 20442442001. The next prime is 20442442039. The reversal of 20442442022 is 22024424402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20442441982 and 20442442000.

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 in 3 ways as a sum of consecutive naturals, for example, 6970718 + ... + 6973649.

It is an arithmetic number, because the mean of its divisors is an integer number (3838187292).

Almost surely, 2^20442442022 is an apocalyptic number.

20442442022 is a deficient number, since it is larger than the sum of its proper divisors (10263056314).

20442442022 is a wasteful number, since it uses less digits than its factorization.

20442442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945102.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20442442022 its reverse (22024424402), we get a palindrome (42466866424).

The spelling of 20442442022 in words is "twenty billion, four hundred forty-two million, four hundred forty-two thousand, twenty-two".