103255220 has 24 divisors (see below), whose sum is σ = 222126408. Its totient is φ = 40294400.

The previous prime is 103255199. The next prime is 103255247. The reversal of 103255220 is 22552301.

It can be written as a sum of positive squares in 4 ways, for example, as 8737936 + 94517284 = 2956^2 + 9722^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103255192 and 103255201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62141 + ... + 63780.

It is an arithmetic number, because the mean of its divisors is an integer number (9255267).

Almost surely, 2^103255220 is an apocalyptic number.

103255220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103255220 is an abundant number, since it is smaller than the sum of its proper divisors (118871188).

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

103255220 is a wasteful number, since it uses less digits than its factorization.

103255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125971 (or 125969 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 103255220 is about 10161.4575726123. The cubic root of 103255220 is about 469.1416656587.

The spelling of 103255220 in words is "one hundred three million, two hundred fifty-five thousand, two hundred twenty".