1020030684 has 12 divisors (see below), whose sum is σ = 2380071624. Its totient is φ = 340010224.

The previous prime is 1020030667. The next prime is 1020030731. The reversal of 1020030684 is 4860300201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42501267 + ... + 42501290.

It is an arithmetic number, because the mean of its divisors is an integer number (198339302).

Almost surely, 2^1020030684 is an apocalyptic number.

It is an amenable number.

1020030684 is an abundant number, since it is smaller than the sum of its proper divisors (1360040940).

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

1020030684 is a wasteful number, since it uses less digits than its factorization.

1020030684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85002564 (or 85002562 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1020030684 is about 31937.9192183837. The cubic root of 1020030684 is about 1006.6328033188.

Adding to 1020030684 its reverse (4860300201), we get a palindrome (5880330885).

The spelling of 1020030684 in words is "one billion, twenty million, thirty thousand, six hundred eighty-four".