20013420682 has 8 divisors (see below), whose sum is σ = 30043174176. Its totient is φ = 9999029292.

The previous prime is 20013420671. The next prime is 20013420703. The reversal of 20013420682 is 28602431002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20013420682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3837268 + ... + 3842479.

It is an arithmetic number, because the mean of its divisors is an integer number (3755396772).

Almost surely, 2^20013420682 is an apocalyptic number.

20013420682 is a deficient number, since it is larger than the sum of its proper divisors (10029753494).

20013420682 is a wasteful number, since it uses less digits than its factorization.

20013420682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681052.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20013420682 its reverse (28602431002), we get a palindrome (48615851684).

The spelling of 20013420682 in words is "twenty billion, thirteen million, four hundred twenty thousand, six hundred eighty-two".