30052220 has 24 divisors (see below), whose sum is σ = 68847408. Its totient is φ = 10928000.

The previous prime is 30052213. The next prime is 30052229. The reversal of 30052220 is 2225003.

It is a junction number, because it is equal to n+sod(n) for n = 30052195 and 30052204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68081 + ... + 68520.

It is an arithmetic number, because the mean of its divisors is an integer number (2868642).

Almost surely, 2^30052220 is an apocalyptic number.

It is an amenable number.

30052220 is an abundant number, since it is smaller than the sum of its proper divisors (38795188).

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

30052220 is a wasteful number, since it uses less digits than its factorization.

30052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136621 (or 136619 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30052220 is about 5481.9905144026. The cubic root of 30052220 is about 310.9034346240.

Adding to 30052220 its reverse (2225003), we get a palindrome (32277223).

It can be divided in two parts, 3005 and 2220, that added together give a palindrome (5225).

The spelling of 30052220 in words is "thirty million, fifty-two thousand, two hundred twenty".