30202168340 has 24 divisors (see below), whose sum is σ = 65138732232. Its totient is φ = 11754357120.

The previous prime is 30202168331. The next prime is 30202168361. The reversal of 30202168340 is 4386120203.

It can be written as a sum of positive squares in 4 ways, for example, as 16730387716 + 13471780624 = 129346^2 + 116068^2 .

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, 20406131 + ... + 20407610.

It is an arithmetic number, because the mean of its divisors is an integer number (2714113843).

Almost surely, 2^30202168340 is an apocalyptic number.

It is an amenable number.

30202168340 is an abundant number, since it is smaller than the sum of its proper divisors (34936563892).

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

30202168340 is a wasteful number, since it uses less digits than its factorization.

30202168340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40813787 (or 40813785 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 30202168340 its reverse (4386120203), we get a palindrome (34588288543).

The spelling of 30202168340 in words is "thirty billion, two hundred two million, one hundred sixty-eight thousand, three hundred forty".