20223342442 has 8 divisors (see below), whose sum is σ = 30442205376. Its totient is φ = 10075940652.

The previous prime is 20223342397. The next prime is 20223342449. The reversal of 20223342442 is 24424332202.

It is a happy number.

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 20223342442.

It is not an unprimeable number, because it can be changed into a prime (20223342449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17864578 + ... + 17865709.

It is an arithmetic number, because the mean of its divisors is an integer number (3805275672).

Almost surely, 2^20223342442 is an apocalyptic number.

20223342442 is a deficient number, since it is larger than the sum of its proper divisors (10218862934).

20223342442 is a wasteful number, since it uses less digits than its factorization.

20223342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35730572.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20223342442 its reverse (24424332202), we get a palindrome (44647674644).

The spelling of 20223342442 in words is "twenty billion, two hundred twenty-three million, three hundred forty-two thousand, four hundred forty-two".