30020430 has 32 divisors (see below), whose sum is σ = 78599808. Its totient is φ = 7277600.

The previous prime is 30020413. The next prime is 30020467. The reversal of 30020430 is 3402003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45156 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (2456244).

Almost surely, 2^30020430 is an apocalyptic number.

30020430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30020430 is an abundant number, since it is smaller than the sum of its proper divisors (48579378).

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

30020430 is a wasteful number, since it uses less digits than its factorization.

30020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90992.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 30020430 is about 5479.0902529526. The cubic root of 30020430 is about 310.7937687681.

Adding to 30020430 its reverse (3402003), we get a palindrome (33422433).

The spelling of 30020430 in words is "thirty million, twenty thousand, four hundred thirty".