102202320 has 80 divisors (see below), whose sum is σ = 345638592. Its totient is φ = 24775680.

The previous prime is 102202313. The next prime is 102202343. The reversal of 102202320 is 23202201.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 102202296 and 102202305.

It is a congruent number.

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, 16717 + ... + 21996.

Almost surely, 2^102202320 is an apocalyptic number.

102202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202320 is an abundant number, since it is smaller than the sum of its proper divisors (243436272).

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

102202320 is a wasteful number, since it uses less digits than its factorization.

102202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38740 (or 38734 counting only the distinct ones).

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

The square root of 102202320 is about 10109.5163089042. The cubic root of 102202320 is about 467.5415921892.

Adding to 102202320 its reverse (23202201), we get a palindrome (125404521).

The spelling of 102202320 in words is "one hundred two million, two hundred two thousand, three hundred twenty".