1020041220243 has 8 divisors (see below), whose sum is σ = 1360063328656. Its totient is φ = 680023296000.

The previous prime is 1020041220241. The next prime is 1020041220269. The reversal of 1020041220243 is 3420221400201.

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

It is not a de Polignac number, because 1020041220243 - 2¹ = 1020041220241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020041220241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424438 + ... + 1490043.

It is an arithmetic number, because the mean of its divisors is an integer number (170007916082).

Almost surely, 2^{1020041220243} is an apocalyptic number.

1020041220243 is a deficient number, since it is larger than the sum of its proper divisors (340022108413).

1020041220243 is a wasteful number, since it uses less digits than its factorization.

1020041220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092085.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1020041220243 its reverse (3420221400201), we get a palindrome (4440262620444).

The spelling of 1020041220243 in words is "one trillion, twenty billion, forty-one million, two hundred twenty thousand, two hundred forty-three".