1004240020 has 24 divisors (see below), whose sum is σ = 2410176384. Its totient is φ = 344310816.

The previous prime is 1004239993. The next prime is 1004240059. The reversal of 1004240020 is 200424001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586432 + ... + 3586711.

It is an arithmetic number, because the mean of its divisors is an integer number (100424016).

Almost surely, 2^1004240020 is an apocalyptic number.

1004240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004240020 is an abundant number, since it is smaller than the sum of its proper divisors (1405936364).

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

1004240020 is a wasteful number, since it uses less digits than its factorization.

1004240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173159 (or 7173157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1004240020 is about 31689.7462911902. The cubic root of 1004240020 is about 1001.4113471621.

Adding to 1004240020 its reverse (200424001), we get a palindrome (1204664021).

The spelling of 1004240020 in words is "one billion, four million, two hundred forty thousand, twenty".