104240240020 has 48 divisors (see below), whose sum is σ = 251622741888. Its totient is φ = 35532915840.

The previous prime is 104240239967. The next prime is 104240240021. The reversal of 104240240020 is 20042042401.

It is a self number, because there is not a number n which added to its sum of digits gives 104240240020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104240240021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2127726 + ... + 2176165.

It is an arithmetic number, because the mean of its divisors is an integer number (5242140456).

Almost surely, 2^104240240020 is an apocalyptic number.

104240240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104240240020 is an abundant number, since it is smaller than the sum of its proper divisors (147382501868).

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

104240240020 is a wasteful number, since it uses less digits than its factorization.

104240240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304080 (or 4304078 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 104240240020 its reverse (20042042401), we get a palindrome (124282282421).

The spelling of 104240240020 in words is "one hundred four billion, two hundred forty million, two hundred forty thousand, twenty".