30020039064618 has 64 divisors (see below), whose sum is σ = 63861498731520. Its totient is φ = 9388254763008.

The previous prime is 30020039064593. The next prime is 30020039064619. The reversal of 30020039064618 is 81646093002003.

It is a self number, because there is not a number n which added to its sum of digits gives 30020039064618.

It is not an unprimeable number, because it can be changed into a prime (30020039064619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7835671 + ... + 11019882.

It is an arithmetic number, because the mean of its divisors is an integer number (997835917680).

Almost surely, 2^{30020039064618} is an apocalyptic number.

30020039064618 is an abundant number, since it is smaller than the sum of its proper divisors (33841459666902).

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

30020039064618 is a wasteful number, since it uses less digits than its factorization.

30020039064618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18855803.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30020039064618 in words is "thirty trillion, twenty billion, thirty-nine million, sixty-four thousand, six hundred eighteen".