104105220 has 48 divisors (see below), whose sum is σ = 292080768. Its totient is φ = 27705600.

The previous prime is 104105219. The next prime is 104105231. The reversal of 104105220 is 22501401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 104105220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34617 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (6085016).

Almost surely, 2^104105220 is an apocalyptic number.

104105220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104105220 is an abundant number, since it is smaller than the sum of its proper divisors (187975548).

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

104105220 is a wasteful number, since it uses less digits than its factorization.

104105220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 104105220 is about 10203.1965579420. The cubic root of 104105220 is about 470.4254785994.

Adding to 104105220 its sum of digits (15), we get a triangular number (104105235 = T₁₄₄₂₉).

Adding to 104105220 its reverse (22501401), we get a palindrome (126606621).

The spelling of 104105220 in words is "one hundred four million, one hundred five thousand, two hundred twenty".