30200620 has 24 divisors (see below), whose sum is σ = 64898064. Its totient is φ = 11798976.

The previous prime is 30200617. The next prime is 30200627. The reversal of 30200620 is 2600203.

It is a self number, because there is not a number n which added to its sum of digits gives 30200620.

It is not an unprimeable number, because it can be changed into a prime (30200627) 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, 16699 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (2704086).

Almost surely, 2^30200620 is an apocalyptic number.

It is an amenable number.

30200620 is an abundant number, since it is smaller than the sum of its proper divisors (34697444).

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

30200620 is a wasteful number, since it uses less digits than its factorization.

30200620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35169 (or 35167 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30200620 is about 5495.5090755998. The cubic root of 30200620 is about 311.4143489924.

Adding to 30200620 its reverse (2600203), we get a palindrome (32800823).

The spelling of 30200620 in words is "thirty million, two hundred thousand, six hundred twenty".