1020304063 has 4 divisors (see below), whose sum is σ = 1027644520. Its totient is φ = 1012963608.

The previous prime is 1020304049. The next prime is 1020304067. The reversal of 1020304063 is 3604030201.

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 1020304063 - 2²⁹ = 483433151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020304063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020304067) 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, 3670020 + ... + 3670297.

It is an arithmetic number, because the mean of its divisors is an integer number (256911130).

Almost surely, 2^1020304063 is an apocalyptic number.

1020304063 is a deficient number, since it is larger than the sum of its proper divisors (7340457).

1020304063 is an equidigital number, since it uses as much as digits as its factorization.

1020304063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340456.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1020304063 is about 31942.1987815491. The cubic root of 1020304063 is about 1006.7227246948.

Adding to 1020304063 its reverse (3604030201), we get a palindrome (4624334264).

The spelling of 1020304063 in words is "one billion, twenty million, three hundred four thousand, sixty-three".