30220200 has 144 divisors (see below), whose sum is σ = 103103520. Its totient is φ = 7931520.

The previous prime is 30220171. The next prime is 30220207. The reversal of 30220200 is 202203.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30220207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 185319 + ... + 185481.

Almost surely, 2^30220200 is an apocalyptic number.

30220200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51551760).

30220200 is an abundant number, since it is smaller than the sum of its proper divisors (72883320).

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

30220200 is a wasteful number, since it uses less digits than its factorization.

30220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30220200 is about 5497.2902415645. The cubic root of 30220200 is about 311.4816343185.

Adding to 30220200 its reverse (202203), we get a palindrome (30422403).

It can be divided in two parts, 302 and 20200, that added together give a palindrome (20502).

The spelling of 30220200 in words is "thirty million, two hundred twenty thousand, two hundred".