100102320 has 120 divisors (see below), whose sum is σ = 344477952. Its totient is φ = 26035200.

The previous prime is 100102283. The next prime is 100102333. The reversal of 100102320 is 23201001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27825 + ... + 31215.

Almost surely, 2^100102320 is an apocalyptic number.

100102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172238976).

100102320 is an abundant number, since it is smaller than the sum of its proper divisors (244375632).

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

100102320 is a wasteful number, since it uses less digits than its factorization.

100102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100102320 is about 10005.1146919963. The cubic root of 100102320 is about 464.3171385211.

Adding to 100102320 its reverse (23201001), we get a palindrome (123303321).

The spelling of 100102320 in words is "one hundred million, one hundred two thousand, three hundred twenty".