1020305440241 has 4 divisors (see below), whose sum is σ = 1080323407332. Its totient is φ = 960287473152.

The previous prime is 1020305440237. The next prime is 1020305440243. The reversal of 1020305440241 is 1420445030201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 433121934400 + 587183505841 = 658120^2 + 766279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020305440241 - 2² = 1020305440237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020305440241.

It is not an unprimeable number, because it can be changed into a prime (1020305440243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30008983520 + ... + 30008983553.

It is an arithmetic number, because the mean of its divisors is an integer number (270080851833).

Almost surely, 2^{1020305440241} is an apocalyptic number.

It is an amenable number.

1020305440241 is a deficient number, since it is larger than the sum of its proper divisors (60017967091).

1020305440241 is an equidigital number, since it uses as much as digits as its factorization.

1020305440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60017967090.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 1020305440241 in words is "one trillion, twenty billion, three hundred five million, four hundred forty thousand, two hundred forty-one".