30520010 has 16 divisors (see below), whose sum is σ = 55005696. Its totient is φ = 12192528.

The previous prime is 30519959. The next prime is 30520019. The reversal of 30520010 is 1002503.

It is a junction number, because it is equal to n+sod(n) for n = 30519973 and 30520000.

It is not an unprimeable number, because it can be changed into a prime (30520019) 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, 9647 + ... + 12413.

It is an arithmetic number, because the mean of its divisors is an integer number (3437856).

Almost surely, 2^30520010 is an apocalyptic number.

30520010 is a deficient number, since it is larger than the sum of its proper divisors (24485686).

30520010 is a wasteful number, since it uses less digits than its factorization.

30520010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30520010 is about 5524.4918318339. The cubic root of 30520010 is about 312.5083005795.

Adding to 30520010 its reverse (1002503), we get a palindrome (31522513).

The spelling of 30520010 in words is "thirty million, five hundred twenty thousand, ten".