30235020 has 48 divisors (see below), whose sum is σ = 86634240. Its totient is φ = 7874496.

The previous prime is 30235019. The next prime is 30235103. The reversal of 30235020 is 2053203.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3280 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (1804880).

Almost surely, 2^30235020 is an apocalyptic number.

30235020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30235020 is an abundant number, since it is smaller than the sum of its proper divisors (56399220).

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

30235020 is a wasteful number, since it uses less digits than its factorization.

30235020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774 (or 11772 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 30235020 is about 5498.6380131811. The cubic root of 30235020 is about 311.5325429098.

Adding to 30235020 its reverse (2053203), we get a palindrome (32288223).

The spelling of 30235020 in words is "thirty million, two hundred thirty-five thousand, twenty".