104012404020 has 192 divisors, whose sum is σ = 371088023040. Its totient is φ = 23692870656.

The previous prime is 104012403973. The next prime is 104012404061. The reversal of 104012404020 is 20404210401.

104012404020 is a `hidden beast` number, since 1 + 0 + 401 + 240 + 4 + 0 + 20 = 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 = 104012403984 and 104012404002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1060584 + ... + 1154496.

It is an arithmetic number, because the mean of its divisors is an integer number (1932750120).

Almost surely, 2^104012404020 is an apocalyptic number.

104012404020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104012404020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185544011520).

104012404020 is an abundant number, since it is smaller than the sum of its proper divisors (267075619020).

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

104012404020 is a wasteful number, since it uses less digits than its factorization.

104012404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94231 (or 94223 counting only the distinct ones).

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

Adding to 104012404020 its reverse (20404210401), we get a palindrome (124416614421).

The spelling of 104012404020 in words is "one hundred four billion, twelve million, four hundred four thousand, twenty".