102302220 has 48 divisors (see below), whose sum is σ = 287023968. Its totient is φ = 27225600.

The previous prime is 102302219. The next prime is 102302261. The reversal of 102302220 is 22203201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102302196 and 102302205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34642 + ... + 37478.

It is an arithmetic number, because the mean of its divisors is an integer number (5979666).

Almost surely, 2^102302220 is an apocalyptic number.

102302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102302220 is an abundant number, since it is smaller than the sum of its proper divisors (184721748).

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

102302220 is a wasteful number, since it uses less digits than its factorization.

102302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102302220 is about 10114.4559913027. The cubic root of 102302220 is about 467.6938789961.

Adding to 102302220 its reverse (22203201), we get a palindrome (124505421).

The spelling of 102302220 in words is "one hundred two million, three hundred two thousand, two hundred twenty".