30320010 has 192 divisors, whose sum is σ = 101088000. Its totient is φ = 6137856.

The previous prime is 30320009. The next prime is 30320021. The reversal of 30320010 is 1002303.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30319974 and 30320001.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 203416 + ... + 203564.

It is an arithmetic number, because the mean of its divisors is an integer number (526500).

Almost surely, 2^30320010 is an apocalyptic number.

30320010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30320010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50544000).

30320010 is an abundant number, since it is smaller than the sum of its proper divisors (70767990).

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

30320010 is a wasteful number, since it uses less digits than its factorization.

30320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30320010 is about 5506.3608672153. The cubic root of 30320010 is about 311.8241736148.

Adding to 30320010 its reverse (1002303), we get a palindrome (31322313).

The spelling of 30320010 in words is "thirty million, three hundred twenty thousand, ten".