30020424 has 32 divisors (see below), whose sum is σ = 85773120. Its totient is φ = 8577216.

The previous prime is 30020413. The next prime is 30020467. The reversal of 30020424 is 42402003.

It is a happy 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, 89179 + ... + 89514.

It is an arithmetic number, because the mean of its divisors is an integer number (2680410).

Almost surely, 2^30020424 is an apocalyptic number.

It is an amenable number.

30020424 is an abundant number, since it is smaller than the sum of its proper divisors (55752696).

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

30020424 is a wasteful number, since it uses less digits than its factorization.

30020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178709 (or 178705 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 30020424 is about 5479.0897054164. The cubic root of 30020424 is about 310.7937480626.

Adding to 30020424 its reverse (42402003), we get a palindrome (72422427).

The spelling of 30020424 in words is "thirty million, twenty thousand, four hundred twenty-four".