30320020430 has 64 divisors (see below), whose sum is σ = 62879846400. Its totient is φ = 10311100800.

The previous prime is 30320020429. The next prime is 30320020441. The reversal of 30320020430 is 3402002303.

It is a junction number, because it is equal to n+sod(n) for n = 30320020399 and 30320020408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9500135 + ... + 9503325.

It is an arithmetic number, because the mean of its divisors is an integer number (982497600).

Almost surely, 2^30320020430 is an apocalyptic number.

30320020430 is an abundant number, since it is smaller than the sum of its proper divisors (32559825970).

30320020430 is a wasteful number, since it uses less digits than its factorization.

30320020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 30320020430 its reverse (3402002303), we get a palindrome (33722022733).

The spelling of 30320020430 in words is "thirty billion, three hundred twenty million, twenty thousand, four hundred thirty".