1020320304635 has 12 divisors (see below), whose sum is σ = 1292217296688. Its totient is φ = 773295387408.

The previous prime is 1020320304629. The next prime is 1020320304719. The reversal of 1020320304635 is 5364030230201.

It is not a de Polignac number, because 1020320304635 - 2³⁶ = 951600827899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020320304598 and 1020320304607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282635399 + ... + 282639008.

It is an arithmetic number, because the mean of its divisors is an integer number (107684774724).

Almost surely, 2^{1020320304635} is an apocalyptic number.

1020320304635 is a deficient number, since it is larger than the sum of its proper divisors (271896992053).

1020320304635 is an equidigital number, since it uses as much as digits as its factorization.

1020320304635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565274450 (or 565274431 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 1020320304635 its reverse (5364030230201), we get a palindrome (6384350534836).

The spelling of 1020320304635 in words is "one trillion, twenty billion, three hundred twenty million, three hundred four thousand, six hundred thirty-five".