1020305304 has 24 divisors (see below), whose sum is σ = 2763327060. Its totient is φ = 340101744.

The previous prime is 1020305249. The next prime is 1020305311. The reversal of 1020305304 is 4035030201.

1020305304 is a `hidden beast` number, since 102 + 0 + 30 + 530 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7085382 + ... + 7085525.

Almost surely, 2^1020305304 is an apocalyptic number.

It is an amenable number.

1020305304 is an abundant number, since it is smaller than the sum of its proper divisors (1743021756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020305304 is a wasteful number, since it uses less digits than its factorization.

1020305304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170919 (or 14170912 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1020305304 is about 31942.2182072567. The cubic root of 1020305304 is about 1006.7231328549.

Adding to 1020305304 its reverse (4035030201), we get a palindrome (5055335505).

The spelling of 1020305304 in words is "one billion, twenty million, three hundred five thousand, three hundred four".