30041220 has 96 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 6962560.

The previous prime is 30041203. The next prime is 30041237. The reversal of 30041220 is 2214003.

It is an interprime number because it is at equal distance from previous prime (30041203) and next prime (30041237).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30041196 and 30041205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14191 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^30041220 is an apocalyptic number.

30041220 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 30041220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47900160).

30041220 is an abundant number, since it is smaller than the sum of its proper divisors (65759100).

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

30041220 is a wasteful number, since it uses less digits than its factorization.

30041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30041220 is about 5480.9871373686. The cubic root of 30041220 is about 310.8654967153.

Adding to 30041220 its reverse (2214003), we get a palindrome (32255223).

It can be divided in two parts, 3004 and 1220, that added together give a palindrome (4224).

The spelling of 30041220 in words is "thirty million, forty-one thousand, two hundred twenty".