20222442442 has 8 divisors (see below), whose sum is σ = 30492479232. Its totient is φ = 10058282700.

The previous prime is 20222442419. The next prime is 20222442473. The reversal of 20222442442 is 24424422202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20222442442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26468784 + ... + 26469547.

It is an arithmetic number, because the mean of its divisors is an integer number (3811559904).

Almost surely, 2^20222442442 is an apocalyptic number.

20222442442 is a deficient number, since it is larger than the sum of its proper divisors (10270036790).

20222442442 is a wasteful number, since it uses less digits than its factorization.

20222442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52938524.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20222442442 its reverse (24424422202), we get a palindrome (44646864644).

The spelling of 20222442442 in words is "twenty billion, two hundred twenty-two million, four hundred forty-two thousand, four hundred forty-two".