20301330042 has 72 divisors (see below), whose sum is σ = 51931485216. Its totient is φ = 5713790544.

The previous prime is 20301330041. The next prime is 20301330053. The reversal of 20301330042 is 24003310302.

20301330042 is a `hidden beast` number, since 20 + 301 + 3 + 300 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20301329997 and 20301330024.

It is not an unprimeable number, because it can be changed into a prime (20301330041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112678 + ... + 230865.

It is an arithmetic number, because the mean of its divisors is an integer number (721270628).

Almost surely, 2^20301330042 is an apocalyptic number.

20301330042 is an abundant number, since it is smaller than the sum of its proper divisors (31630155174).

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

20301330042 is a wasteful number, since it uses less digits than its factorization.

20301330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343632 (or 343622 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20301330042 its reverse (24003310302), we get a palindrome (44304640344).

The spelling of 20301330042 in words is "twenty billion, three hundred one million, three hundred thirty thousand, forty-two".