30341220 has 96 divisors (see below), whose sum is σ = 104579328. Its totient is φ = 6400512.

The previous prime is 30341203. The next prime is 30341239. The reversal of 30341220 is 2214303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30341220.

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, 2682 + ... + 8238.

It is an arithmetic number, because the mean of its divisors is an integer number (1089368).

Almost surely, 2^30341220 is an apocalyptic number.

30341220 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 30341220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52289664).

30341220 is an abundant number, since it is smaller than the sum of its proper divisors (74238108).

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

30341220 is a wasteful number, since it uses less digits than its factorization.

30341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30341220 is about 5508.2864849243. The cubic root of 30341220 is about 311.8968676225.

Adding to 30341220 its reverse (2214303), we get a palindrome (32555523).

The spelling of 30341220 in words is "thirty million, three hundred forty-one thousand, two hundred twenty".