102020304 has 40 divisors (see below), whose sum is σ = 267880672. Its totient is φ = 33448320.

The previous prime is 102020299. The next prime is 102020323. The reversal of 102020304 is 403020201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102020304.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14494 + ... + 20349.

Almost surely, 2^102020304 is an apocalyptic number.

It is an amenable number.

102020304 is an abundant number, since it is smaller than the sum of its proper divisors (165860368).

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

102020304 is a wasteful number, since it uses less digits than its factorization.

102020304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34915 (or 34909 counting only the distinct ones).

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

The square root of 102020304 is about 10100.5100861293. The cubic root of 102020304 is about 467.2638730540.

Adding to 102020304 its reverse (403020201), we get a palindrome (505040505).

The spelling of 102020304 in words is "one hundred two million, twenty thousand, three hundred four".