20223103442 has 4 divisors (see below), whose sum is σ = 30334655166. Its totient is φ = 10111551720.

The previous prime is 20223103427. The next prime is 20223103451. The reversal of 20223103442 is 24430132202.

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

It can be written as a sum of positive squares in only one way, i.e., 16687730761 + 3535372681 = 129181^2 + 59459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055775859 + ... + 5055775862.

Almost surely, 2^20223103442 is an apocalyptic number.

20223103442 is a deficient number, since it is larger than the sum of its proper divisors (10111551724).

20223103442 is a wasteful number, since it uses less digits than its factorization.

20223103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111551723.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20223103442 its reverse (24430132202), we get a palindrome (44653235644).

The spelling of 20223103442 in words is "twenty billion, two hundred twenty-three million, one hundred three thousand, four hundred forty-two".