30203220340 has 24 divisors (see below), whose sum is σ = 67157749512. Its totient is φ = 11370624000.

The previous prime is 30203220337. The next prime is 30203220379. The reversal of 30203220340 is 4302230203.

It can be written as a sum of positive squares in 4 ways, for example, as 4783382244 + 25419838096 = 69162^2 + 159436^2 .

It is a congruent number.

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, 44416161 + ... + 44416840.

It is an arithmetic number, because the mean of its divisors is an integer number (2798239563).

Almost surely, 2^30203220340 is an apocalyptic number.

It is an amenable number.

30203220340 is an abundant number, since it is smaller than the sum of its proper divisors (36954529172).

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

30203220340 is a wasteful number, since it uses less digits than its factorization.

30203220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88833027 (or 88833025 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 30203220340 its reverse (4302230203), we get a palindrome (34505450543).

The spelling of 30203220340 in words is "thirty billion, two hundred three million, two hundred twenty thousand, three hundred forty".