30020272 has 10 divisors (see below), whose sum is σ = 58164308. Its totient is φ = 15010128.

The previous prime is 30020261. The next prime is 30020273. The reversal of 30020272 is 27202003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1876267 = 30020272 / (3 + 0 + 0 + 2 + 0 + 2 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (30020273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 938118 + ... + 938149.

Almost surely, 2^30020272 is an apocalyptic number.

It is an amenable number.

30020272 is a deficient number, since it is larger than the sum of its proper divisors (28144036).

30020272 is a wasteful number, since it uses less digits than its factorization.

30020272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876275 (or 1876269 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 30020272 is about 5479.0758344816. The cubic root of 30020272 is about 310.7932235227.

Adding to 30020272 its reverse (27202003), we get a palindrome (57222275).

The spelling of 30020272 in words is "thirty million, twenty thousand, two hundred seventy-two".