30203030320 has 40 divisors (see below), whose sum is σ = 70242535440. Its totient is φ = 12077687040.

The previous prime is 30203030311. The next prime is 30203030339. The reversal of 30203030320 is 2303030203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30203030294 and 30203030303.

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, 229971 + ... + 336589.

It is an arithmetic number, because the mean of its divisors is an integer number (1756063386).

Almost surely, 2^30203030320 is an apocalyptic number.

It is an amenable number.

30203030320 is an abundant number, since it is smaller than the sum of its proper divisors (40039505120).

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

30203030320 is a wasteful number, since it uses less digits than its factorization.

30203030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110173 (or 110167 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 30203030320 its reverse (2303030203), we get a palindrome (32506060523).

The spelling of 30203030320 in words is "thirty billion, two hundred three million, thirty thousand, three hundred twenty".