105203240220244 has 24 divisors (see below), whose sum is σ = 184331275258088. Its totient is φ = 52537198855680.

The previous prime is 105203240220193. The next prime is 105203240220251. The reversal of 105203240220244 is 442022042302501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1047816900 + 105202192403344 = 32370^2 + 10256812^2 .

It is a super-2 number, since 2×105203240220244² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633562 + ... + 15950254.

Almost surely, 2^{105203240220244} is an apocalyptic number.

It is an amenable number.

105203240220244 is a deficient number, since it is larger than the sum of its proper divisors (79128035037844).

105203240220244 is a wasteful number, since it uses less digits than its factorization.

105203240220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320155 (or 9320153 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 105203240220244 its reverse (442022042302501), we get a palindrome (547225282522745).

The spelling of 105203240220244 in words is "one hundred five trillion, two hundred three billion, two hundred forty million, two hundred twenty thousand, two hundred forty-four".