1020340443401 has 8 divisors (see below), whose sum is σ = 1020927038208. Its totient is φ = 1019753982000.

The previous prime is 1020340443359. The next prime is 1020340443407. The reversal of 1020340443401 is 1043440430201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020340443401 - 2⁶ = 1020340443337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020340443407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17976296 + ... + 18032966.

It is an arithmetic number, because the mean of its divisors is an integer number (127615879776).

Almost surely, 2^{1020340443401} is an apocalyptic number.

It is an amenable number.

1020340443401 is a deficient number, since it is larger than the sum of its proper divisors (586594807).

1020340443401 is an equidigital number, since it uses as much as digits as its factorization.

1020340443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1020340443401 its reverse (1043440430201), we get a palindrome (2063780873602).

The spelling of 1020340443401 in words is "one trillion, twenty billion, three hundred forty million, four hundred forty-three thousand, four hundred one".