30200985 has 16 divisors (see below), whose sum is σ = 53690880. Its totient is φ = 16107120.

The previous prime is 30200983. The next prime is 30200999. The reversal of 30200985 is 58900203.

It is not a de Polignac number, because 30200985 - 2¹ = 30200983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30200983) 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 15 ways as a sum of consecutive naturals, for example, 111721 + ... + 111990.

It is an arithmetic number, because the mean of its divisors is an integer number (3355680).

Almost surely, 2^30200985 is an apocalyptic number.

It is an amenable number.

30200985 is a deficient number, since it is larger than the sum of its proper divisors (23489895).

30200985 is a wasteful number, since it uses less digits than its factorization.

30200985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223725 (or 223719 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 30200985 is about 5495.5422844338. The cubic root of 30200985 is about 311.4156035558.

The spelling of 30200985 in words is "thirty million, two hundred thousand, nine hundred eighty-five".