30120640298 has 24 divisors (see below), whose sum is σ = 53354795616. Its totient is φ = 12492425880.

The previous prime is 30120640271. The next prime is 30120640309. The reversal of 30120640298 is 89204602103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1105940 + ... + 1132847.

It is an arithmetic number, because the mean of its divisors is an integer number (2223116484).

Almost surely, 2^30120640298 is an apocalyptic number.

30120640298 is a deficient number, since it is larger than the sum of its proper divisors (23234155318).

30120640298 is a wasteful number, since it uses less digits than its factorization.

30120640298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238858 (or 2238827 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 30120640298 in words is "thirty billion, one hundred twenty million, six hundred forty thousand, two hundred ninety-eight".