102200130320 has 20 divisors (see below), whose sum is σ = 237615303180. Its totient is φ = 40880052096.

The previous prime is 102200130299. The next prime is 102200130337. The reversal of 102200130320 is 23031002201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79019458816 + 23180671504 = 281104^2 + 152252^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 102200130295 and 102200130304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638750735 + ... + 638750894.

It is an arithmetic number, because the mean of its divisors is an integer number (11880765159).

Almost surely, 2^102200130320 is an apocalyptic number.

102200130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200130320 is an abundant number, since it is smaller than the sum of its proper divisors (135415172860).

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

102200130320 is a wasteful number, since it uses less digits than its factorization.

102200130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277501642 (or 1277501636 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102200130320 its reverse (23031002201), we get a palindrome (125231132521).

The spelling of 102200130320 in words is "one hundred two billion, two hundred million, one hundred thirty thousand, three hundred twenty".