30203132120320 has 72 divisors (see below), whose sum is σ = 72352480515840. Its totient is φ = 12080160614400.

The previous prime is 30203132120299. The next prime is 30203132120327. The reversal of 30203132120320 is 2302123130203.

It is a junction number, because it is equal to n+sod(n) for n = 30203132120291 and 30203132120300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203132120327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13171245 + ... + 15293395.

It is an arithmetic number, because the mean of its divisors is an integer number (1004895562720).

Almost surely, 2^{30203132120320} is an apocalyptic number.

It is an amenable number.

30203132120320 is an abundant number, since it is smaller than the sum of its proper divisors (42149348395520).

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

30203132120320 is a wasteful number, since it uses less digits than its factorization.

30203132120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133291 (or 2133277 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30203132120320 its reverse (2302123130203), we get a palindrome (32505255250523).

The spelling of 30203132120320 in words is "thirty trillion, two hundred three billion, one hundred thirty-two million, one hundred twenty thousand, three hundred twenty".