102304220 has 12 divisors (see below), whose sum is σ = 214838904. Its totient is φ = 40921680.

The previous prime is 102304193. The next prime is 102304229. The reversal of 102304220 is 22403201.

It is a junction number, because it is equal to n+sod(n) for n = 102304195 and 102304204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102304229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557586 + ... + 2557625.

It is an arithmetic number, because the mean of its divisors is an integer number (17903242).

Almost surely, 2^102304220 is an apocalyptic number.

102304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102304220 is an abundant number, since it is smaller than the sum of its proper divisors (112534684).

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

102304220 is a wasteful number, since it uses less digits than its factorization.

102304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115220 (or 5115218 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102304220 is about 10114.5548592116. The cubic root of 102304220 is about 467.6969267686.

Adding to 102304220 its reverse (22403201), we get a palindrome (124707421).

The spelling of 102304220 in words is "one hundred two million, three hundred four thousand, two hundred twenty".