30234020 has 24 divisors (see below), whose sum is σ = 63673344. Its totient is φ = 12058976.

The previous prime is 30234013. The next prime is 30234023. The reversal of 30234020 is 2043203.

It is a junction number, because it is equal to n+sod(n) for n = 30233986 and 30234004.

It is not an unprimeable number, because it can be changed into a prime (30234023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5687 + ... + 9633.

It is an arithmetic number, because the mean of its divisors is an integer number (2653056).

Almost surely, 2^30234020 is an apocalyptic number.

It is an amenable number.

30234020 is an abundant number, since it is smaller than the sum of its proper divisors (33439324).

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

30234020 is a wasteful number, since it uses less digits than its factorization.

30234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30234020 is about 5498.5470808205. The cubic root of 30234020 is about 311.5291083057.

Adding to 30234020 its reverse (2043203), we get a palindrome (32277223).

The spelling of 30234020 in words is "thirty million, two hundred thirty-four thousand, twenty".