30200140 has 36 divisors (see below), whose sum is σ = 65239776. Its totient is φ = 11742912.

The previous prime is 30200129. The next prime is 30200141. The reversal of 30200140 is 4100203.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30200141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26829 + ... + 27931.

It is an arithmetic number, because the mean of its divisors is an integer number (1812216).

Almost surely, 2^30200140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30200140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32619888).

30200140 is an abundant number, since it is smaller than the sum of its proper divisors (35039636).

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

30200140 is a wasteful number, since it uses less digits than its factorization.

30200140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30200140 is about 5495.4654034031. The cubic root of 30200140 is about 311.4126991402.

Adding to 30200140 its reverse (4100203), we get a palindrome (34300343).

The spelling of 30200140 in words is "thirty million, two hundred thousand, one hundred forty".