20003338670 has 32 divisors (see below), whose sum is σ = 41261902848. Its totient is φ = 6839591328.

The previous prime is 20003338651. The next prime is 20003338673. The reversal of 20003338670 is 7683330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003338673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363632 + ... + 415011.

It is an arithmetic number, because the mean of its divisors is an integer number (1289434464).

Almost surely, 2^20003338670 is an apocalyptic number.

20003338670 is an abundant number, since it is smaller than the sum of its proper divisors (21258564178).

20003338670 is a wasteful number, since it uses less digits than its factorization.

20003338670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779024.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 20003338670 its reverse (7683330002), we get a palindrome (27686668672).

The spelling of 20003338670 in words is "twenty billion, three million, three hundred thirty-eight thousand, six hundred seventy".