20333335442 has 16 divisors (see below), whose sum is σ = 36059117760. Its totient is φ = 8413793808.

The previous prime is 20333335423. The next prime is 20333335531. The reversal of 20333335442 is 24453333302.

It is a junction number, because it is equal to n+sod(n) for n = 20333335399 and 20333335408.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25040648 + ... + 25041459.

It is an arithmetic number, because the mean of its divisors is an integer number (2253694860).

Almost surely, 2^20333335442 is an apocalyptic number.

20333335442 is a deficient number, since it is larger than the sum of its proper divisors (15725782318).

20333335442 is a wasteful number, since it uses less digits than its factorization.

20333335442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50082145.

The product of its (nonzero) digits is 77760, while the sum is 32.

Adding to 20333335442 its reverse (24453333302), we get a palindrome (44786668744).

The spelling of 20333335442 in words is "twenty billion, three hundred thirty-three million, three hundred thirty-five thousand, four hundred forty-two".