1020285604 has 12 divisors (see below), whose sum is σ = 1922846044. Its totient is φ = 470901024.

The previous prime is 1020285601. The next prime is 1020285641. The reversal of 1020285604 is 4065820201.

It can be written as a sum of positive squares in 2 ways, for example, as 560268900 + 460016704 = 23670^2 + 21448^2 .

It is not an unprimeable number, because it can be changed into a prime (1020285601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9810387 + ... + 9810490.

Almost surely, 2^1020285604 is an apocalyptic number.

It is an amenable number.

1020285604 is a deficient number, since it is larger than the sum of its proper divisors (902560440).

1020285604 is a wasteful number, since it uses less digits than its factorization.

1020285604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19620894 (or 19620892 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1020285604 is about 31941.9098364515. The cubic root of 1020285604 is about 1006.7166535612.

The spelling of 1020285604 in words is "one billion, twenty million, two hundred eighty-five thousand, six hundred four".