1020440120341 has 4 divisors (see below), whose sum is σ = 1022017308192. Its totient is φ = 1018862932492.

The previous prime is 1020440120339. The next prime is 1020440120393. The reversal of 1020440120341 is 1430210440201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020440120341 - 2¹ = 1020440120339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020440120941) 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, 788592955 + ... + 788594248.

It is an arithmetic number, because the mean of its divisors is an integer number (255504327048).

Almost surely, 2^{1020440120341} is an apocalyptic number.

It is an amenable number.

1020440120341 is a deficient number, since it is larger than the sum of its proper divisors (1577187851).

1020440120341 is an equidigital number, since it uses as much as digits as its factorization.

1020440120341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577187850.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1020440120341 its reverse (1430210440201), we get a palindrome (2450650560542).

The spelling of 1020440120341 in words is "one trillion, twenty billion, four hundred forty million, one hundred twenty thousand, three hundred forty-one".