20681035001 has 16 divisors (see below), whose sum is σ = 22691472000. Its totient is φ = 18692467200.

The previous prime is 20681034949. The next prime is 20681035033. The reversal of 20681035001 is 10053018602.

It is a de Polignac number, because none of the positive numbers 2^k-20681035001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20681035061) 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 15 ways as a sum of consecutive naturals, for example, 3913481 + ... + 3918761.

It is an arithmetic number, because the mean of its divisors is an integer number (1418217000).

Almost surely, 2^20681035001 is an apocalyptic number.

It is an amenable number.

20681035001 is a deficient number, since it is larger than the sum of its proper divisors (2010436999).

20681035001 is a wasteful number, since it uses less digits than its factorization.

20681035001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 20681035001 in words is "twenty billion, six hundred eighty-one million, thirty-five thousand, one".