102320502 has 16 divisors (see below), whose sum is σ = 209632752. Its totient is φ = 33274880.

The previous prime is 102320489. The next prime is 102320507. The reversal of 102320502 is 205023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207723 + ... + 208214.

It is an arithmetic number, because the mean of its divisors is an integer number (13102047).

Almost surely, 2^102320502 is an apocalyptic number.

102320502 is an abundant number, since it is smaller than the sum of its proper divisors (107312250).

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

102320502 is a wasteful number, since it uses less digits than its factorization.

102320502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415983.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102320502 is about 10115.3597069012. The cubic root of 102320502 is about 467.7217372062.

Adding to 102320502 its reverse (205023201), we get a palindrome (307343703).

The spelling of 102320502 in words is "one hundred two million, three hundred twenty thousand, five hundred two".