30320003420 has 36 divisors (see below), whose sum is σ = 74067439320. Its totient is φ = 10395429408.

The previous prime is 30320003383. The next prime is 30320003429. The reversal of 30320003420 is 2430002303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320003429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15468410 + ... + 15470369.

It is an arithmetic number, because the mean of its divisors is an integer number (2057428870).

Almost surely, 2^30320003420 is an apocalyptic number.

It is an amenable number.

30320003420 is an abundant number, since it is smaller than the sum of its proper divisors (43747435900).

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

30320003420 is a wasteful number, since it uses less digits than its factorization.

30320003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30938802 (or 30938793 counting only the distinct ones).

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

Adding to 30320003420 its reverse (2430002303), we get a palindrome (32750005723).

The spelling of 30320003420 in words is "thirty billion, three hundred twenty million, three thousand, four hundred twenty".