103100220 has 72 divisors (see below), whose sum is σ = 323537760. Its totient is φ = 26544000.

The previous prime is 103100177. The next prime is 103100227. The reversal of 103100220 is 22001301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4656 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (4493580).

Almost surely, 2^103100220 is an apocalyptic number.

103100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100220 is an abundant number, since it is smaller than the sum of its proper divisors (220437540).

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

103100220 is a wasteful number, since it uses less digits than its factorization.

103100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19795 (or 19790 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 103100220 is about 10153.8278496339. The cubic root of 103100220 is about 468.9067998103.

Adding to 103100220 its reverse (22001301), we get a palindrome (125101521).

The spelling of 103100220 in words is "one hundred three million, one hundred thousand, two hundred twenty".