1020313020203 has 24 divisors (see below), whose sum is σ = 1079763406848. Its totient is φ = 962253441072.

The previous prime is 1020313020193. The next prime is 1020313020217. The reversal of 1020313020203 is 3020203130201.

It is not a de Polignac number, because 1020313020203 - 2¹⁰ = 1020313019179 is a prime.

It is a super-2 number, since 2×1020313020203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020313020253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77601476 + ... + 77614622.

It is an arithmetic number, because the mean of its divisors is an integer number (44990141952).

Almost surely, 2^{1020313020203} is an apocalyptic number.

1020313020203 is a deficient number, since it is larger than the sum of its proper divisors (59450386645).

1020313020203 is a wasteful number, since it uses less digits than its factorization.

1020313020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623 (or 13460 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1020313020203 its reverse (3020203130201), we get a palindrome (4040516150404).

The spelling of 1020313020203 in words is "one trillion, twenty billion, three hundred thirteen million, twenty thousand, two hundred three".