30352120 has 32 divisors (see below), whose sum is σ = 71888400. Its totient is φ = 11501568.

The previous prime is 30352103. The next prime is 30352121. The reversal of 30352120 is 2125303.

It is a junction number, because it is equal to n+sod(n) for n = 30352094 and 30352103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30352121) 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, 19209 + ... + 20728.

Almost surely, 2^30352120 is an apocalyptic number.

It is an amenable number.

30352120 is an abundant number, since it is smaller than the sum of its proper divisors (41536280).

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

30352120 is a wasteful number, since it uses less digits than its factorization.

30352120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39967 (or 39963 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30352120 is about 5509.2758144787. The cubic root of 30352120 is about 311.9342125154.

Adding to 30352120 its reverse (2125303), we get a palindrome (32477423).

The spelling of 30352120 in words is "thirty million, three hundred fifty-two thousand, one hundred twenty".