30201140 has 12 divisors (see below), whose sum is σ = 63422436. Its totient is φ = 12080448.

The previous prime is 30201137. The next prime is 30201169. The reversal of 30201140 is 4110203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 8317456 = 4678^2 + 2884^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 755009 + ... + 755048.

It is an arithmetic number, because the mean of its divisors is an integer number (5285203).

Almost surely, 2^30201140 is an apocalyptic number.

It is an amenable number.

30201140 is an abundant number, since it is smaller than the sum of its proper divisors (33221296).

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

30201140 is a wasteful number, since it uses less digits than its factorization.

30201140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510066 (or 1510064 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30201140 is about 5495.5563867547. The cubic root of 30201140 is about 311.4161363126.

Adding to 30201140 its reverse (4110203), we get a palindrome (34311343).

The spelling of 30201140 in words is "thirty million, two hundred one thousand, one hundred forty".