104255220 has 96 divisors (see below), whose sum is σ = 316407168. Its totient is φ = 25546752.

The previous prime is 104255213. The next prime is 104255243. The reversal of 104255220 is 22552401.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42672 + ... + 45048.

It is an arithmetic number, because the mean of its divisors is an integer number (3295908).

Almost surely, 2^104255220 is an apocalyptic number.

104255220 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 104255220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158203584).

104255220 is an abundant number, since it is smaller than the sum of its proper divisors (212151948).

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

104255220 is a wasteful number, since it uses less digits than its factorization.

104255220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 104255220 is about 10210.5445496310. The cubic root of 104255220 is about 470.6513076797.

The spelling of 104255220 in words is "one hundred four million, two hundred fifty-five thousand, two hundred twenty".