1020203020303 has 8 divisors (see below), whose sum is σ = 1033820466336. Its totient is φ = 1006654524000.

The previous prime is 1020203020301. The next prime is 1020203020321. The reversal of 1020203020303 is 3030203020201.

1020203020303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1020203020303 - 2¹ = 1020203020301 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 (1020203020301) 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, 17207643 + ... + 17266828.

It is an arithmetic number, because the mean of its divisors is an integer number (129227558292).

Almost surely, 2^{1020203020303} is an apocalyptic number.

1020203020303 is a deficient number, since it is larger than the sum of its proper divisors (13617446033).

1020203020303 is a wasteful number, since it uses less digits than its factorization.

1020203020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34474865.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 1020203020303 its reverse (3030203020201), we get a palindrome (4050406040504).

The spelling of 1020203020303 in words is "one trillion, twenty billion, two hundred three million, twenty thousand, three hundred three".