103855220 has 48 divisors (see below), whose sum is σ = 250024320. Its totient is φ = 35497344.

The previous prime is 103855211. The next prime is 103855231. The reversal of 103855220 is 22558301.

It is a self number, because there is not a number n which added to its sum of digits gives 103855220.

It is a congruent number.

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, 53507 + ... + 55413.

It is an arithmetic number, because the mean of its divisors is an integer number (5208840).

Almost surely, 2^103855220 is an apocalyptic number.

103855220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103855220 is an abundant number, since it is smaller than the sum of its proper divisors (146169100).

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

103855220 is a wasteful number, since it uses less digits than its factorization.

103855220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 103855220 is about 10190.9381314970. The cubic root of 103855220 is about 470.0486142562.

The spelling of 103855220 in words is "one hundred three million, eight hundred fifty-five thousand, two hundred twenty".