1020248636 has 12 divisors (see below), whose sum is σ = 1947747480. Its totient is φ = 463749360.

The previous prime is 1020248609. The next prime is 1020248641. The reversal of 1020248636 is 6368420201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11593691 + ... + 11593778.

It is an arithmetic number, because the mean of its divisors is an integer number (162312290).

Almost surely, 2^1020248636 is an apocalyptic number.

It is an amenable number.

1020248636 is a deficient number, since it is larger than the sum of its proper divisors (927498844).

1020248636 is a wasteful number, since it uses less digits than its factorization.

1020248636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23187484 (or 23187482 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1020248636 is about 31941.3311557299. The cubic root of 1020248636 is about 1006.7044946289.

Adding to 1020248636 its reverse (6368420201), we get a palindrome (7388668837).

The spelling of 1020248636 in words is "one billion, twenty million, two hundred forty-eight thousand, six hundred thirty-six".