104002144020 has 96 divisors (see below), whose sum is σ = 323624851200. Its totient is φ = 27728537472.

The previous prime is 104002143967. The next prime is 104002144021. The reversal of 104002144020 is 20441200401.

104002144020 is a `hidden beast` number, since 10 + 40 + 0 + 214 + 402 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 104002143984 and 104002144002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104002144021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3330841 + ... + 3361919.

It is an arithmetic number, because the mean of its divisors is an integer number (3371092200).

Almost surely, 2^104002144020 is an apocalyptic number.

104002144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104002144020 is an abundant number, since it is smaller than the sum of its proper divisors (219622707180).

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

104002144020 is a wasteful number, since it uses less digits than its factorization.

104002144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294 (or 37286 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 104002144020 its reverse (20441200401), we get a palindrome (124443344421).

The spelling of 104002144020 in words is "one hundred four billion, two million, one hundred forty-four thousand, twenty".