20223203444 has 6 divisors (see below), whose sum is σ = 35390606034. Its totient is φ = 10111601720.

The previous prime is 20223203411. The next prime is 20223203467. The reversal of 20223203444 is 44430232202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17210291344 + 3012912100 = 131188^2 + 54890^2 .

It is a super-3 number, since 3×20223203444³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2527900427 + ... + 2527900434.

It is an arithmetic number, because the mean of its divisors is an integer number (5898434339).

Almost surely, 2^20223203444 is an apocalyptic number.

It is an amenable number.

20223203444 is a deficient number, since it is larger than the sum of its proper divisors (15167402590).

20223203444 is a wasteful number, since it uses less digits than its factorization.

20223203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055800865 (or 5055800863 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20223203444 its reverse (44430232202), we get a palindrome (64653435646).

The spelling of 20223203444 in words is "twenty billion, two hundred twenty-three million, two hundred three thousand, four hundred forty-four".