1020344144441 has 4 divisors (see below), whose sum is σ = 1021763260800. Its totient is φ = 1018925028084.

The previous prime is 1020344144437. The next prime is 1020344144473. The reversal of 1020344144441 is 1444414430201.

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 1020344144441 - 2² = 1020344144437 is a prime.

It is a super-2 number, since 2×1020344144441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020344144398 and 1020344144407.

It is not an unprimeable number, because it can be changed into a prime (1020344144341) 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, 709557101 + ... + 709558538.

It is an arithmetic number, because the mean of its divisors is an integer number (255440815200).

Almost surely, 2^{1020344144441} is an apocalyptic number.

It is an amenable number.

1020344144441 is a deficient number, since it is larger than the sum of its proper divisors (1419116359).

1020344144441 is an equidigital number, since it uses as much as digits as its factorization.

1020344144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419116358.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1020344144441 its reverse (1444414430201), we get a palindrome (2464758574642).

The spelling of 1020344144441 in words is "one trillion, twenty billion, three hundred forty-four million, one hundred forty-four thousand, four hundred forty-one".