103087220 has 12 divisors (see below), whose sum is σ = 216483204. Its totient is φ = 41234880.

The previous prime is 103087213. The next prime is 103087253. The reversal of 103087220 is 22780301.

103087220 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62663056 + 40424164 = 7916^2 + 6358^2 .

103087220 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577161 + ... + 2577200.

It is an arithmetic number, because the mean of its divisors is an integer number (18040267).

Almost surely, 2^103087220 is an apocalyptic number.

103087220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103087220 is an abundant number, since it is smaller than the sum of its proper divisors (113395984).

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

103087220 is a wasteful number, since it uses less digits than its factorization.

103087220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154370 (or 5154368 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 103087220 is about 10153.1876767841. The cubic root of 103087220 is about 468.8870906877.

The spelling of 103087220 in words is "one hundred three million, eighty-seven thousand, two hundred twenty".