1020330020103 has 4 divisors (see below), whose sum is σ = 1360440026808. Its totient is φ = 680220013400.

The previous prime is 1020330020081. The next prime is 1020330020107. The reversal of 1020330020103 is 3010200330201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020330020103 - 2⁵ = 1020330020071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020330020107) 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, 170055003348 + ... + 170055003353.

It is an arithmetic number, because the mean of its divisors is an integer number (340110006702).

Almost surely, 2^{1020330020103} is an apocalyptic number.

1020330020103 is a deficient number, since it is larger than the sum of its proper divisors (340110006705).

1020330020103 is an equidigital number, since it uses as much as digits as its factorization.

1020330020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340110006704.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1020330020103 its reverse (3010200330201), we get a palindrome (4030530350304).

The spelling of 1020330020103 in words is "one trillion, twenty billion, three hundred thirty million, twenty thousand, one hundred three".