30120036 has 24 divisors (see below), whose sum is σ = 71129184. Its totient is φ = 9918720.

The previous prime is 30120023. The next prime is 30120047. The reversal of 30120036 is 63002103.

It is a junction number, because it is equal to n+sod(n) for n = 30119997 and 30120024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14125 + ... + 16116.

It is an arithmetic number, because the mean of its divisors is an integer number (2963716).

Almost surely, 2^30120036 is an apocalyptic number.

It is an amenable number.

30120036 is an abundant number, since it is smaller than the sum of its proper divisors (41009148).

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

30120036 is a wasteful number, since it uses less digits than its factorization.

30120036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331 (or 30329 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30120036 is about 5488.1723733862. The cubic root of 30120036 is about 311.1371210492.

Adding to 30120036 its reverse (63002103), we get a palindrome (93122139).

The spelling of 30120036 in words is "thirty million, one hundred twenty thousand, thirty-six".