20100244223 has 8 divisors (see below), whose sum is σ = 20564484336. Its totient is φ = 19639152000.

The previous prime is 20100244217. The next prime is 20100244277. The reversal of 20100244223 is 32244200102.

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

It is a cyclic number.

It is not a de Polignac number, because 20100244223 - 2⁶ = 20100244159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100244195 and 20100244204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100244123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774053 + ... + 799598.

It is an arithmetic number, because the mean of its divisors is an integer number (2570560542).

Almost surely, 2^20100244223 is an apocalyptic number.

20100244223 is a deficient number, since it is larger than the sum of its proper divisors (464240113).

20100244223 is a wasteful number, since it uses less digits than its factorization.

20100244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573945.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20100244223 its reverse (32244200102), we get a palindrome (52344444325).

The spelling of 20100244223 in words is "twenty billion, one hundred million, two hundred forty-four thousand, two hundred twenty-three".