104012042020 has 12 divisors (see below), whose sum is σ = 218425288284. Its totient is φ = 41604816800.

The previous prime is 104012042011. The next prime is 104012042041. The reversal of 104012042020 is 20240210401.

It can be written as a sum of positive squares in 2 ways, for example, as 51174583524 + 52837458496 = 226218^2 + 229864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 104012041985 and 104012042003.

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 3 ways as a sum of consecutive naturals, for example, 2600301031 + ... + 2600301070.

It is an arithmetic number, because the mean of its divisors is an integer number (18202107357).

Almost surely, 2^104012042020 is an apocalyptic number.

104012042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104012042020 is an abundant number, since it is smaller than the sum of its proper divisors (114413246264).

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

104012042020 is a wasteful number, since it uses less digits than its factorization.

104012042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200602110 (or 5200602108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 104012042020 its reverse (20240210401), we get a palindrome (124252252421).

The spelling of 104012042020 in words is "one hundred four billion, twelve million, forty-two thousand, twenty".