103203220 has 12 divisors (see below), whose sum is σ = 216726804. Its totient is φ = 41281280.

The previous prime is 103203203. The next prime is 103203223. The reversal of 103203220 is 22302301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 90897156 = 3508^2 + 9534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103203220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103203223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580061 + ... + 2580100.

It is an arithmetic number, because the mean of its divisors is an integer number (18060567).

Almost surely, 2^103203220 is an apocalyptic number.

103203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103203220 is an abundant number, since it is smaller than the sum of its proper divisors (113523584).

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

103203220 is a wasteful number, since it uses less digits than its factorization.

103203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160170 (or 5160168 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 103203220 is about 10158.8985623442. The cubic root of 103203220 is about 469.0628981704.

Adding to 103203220 its reverse (22302301), we get a palindrome (125505521).

The spelling of 103203220 in words is "one hundred three million, two hundred three thousand, two hundred twenty".