1020011304 has 32 divisors (see below), whose sum is σ = 2746185120. Its totient is φ = 313849536.

The previous prime is 1020011303. The next prime is 1020011327. The reversal of 1020011304 is 4031100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1020011304.

It is not an unprimeable number, because it can be changed into a prime (1020011303) 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 7 ways as a sum of consecutive naturals, for example, 1634322 + ... + 1634945.

It is an arithmetic number, because the mean of its divisors is an integer number (85818285).

Almost surely, 2^1020011304 is an apocalyptic number.

It is an amenable number.

1020011304 is an abundant number, since it is smaller than the sum of its proper divisors (1726173816).

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

1020011304 is a wasteful number, since it uses less digits than its factorization.

1020011304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269289 (or 3269285 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020011304 is about 31937.6158158370. The cubic root of 1020011304 is about 1006.6264281291.

Adding to 1020011304 its reverse (4031100201), we get a palindrome (5051111505).

The spelling of 1020011304 in words is "one billion, twenty million, eleven thousand, three hundred four".