20980274013 has 12 divisors (see below), whose sum is σ = 30306096288. Its totient is φ = 13986269640.

The previous prime is 20980274011. The next prime is 20980274047. The reversal of 20980274013 is 31047208902.

It is not a de Polignac number, because 20980274013 - 2¹ = 20980274011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20980274011) 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 11 ways as a sum of consecutive naturals, for example, 395256 + ... + 445182.

It is an arithmetic number, because the mean of its divisors is an integer number (2525508024).

Almost surely, 2^20980274013 is an apocalyptic number.

It is an amenable number.

20980274013 is a deficient number, since it is larger than the sum of its proper divisors (9325822275).

20980274013 is a wasteful number, since it uses less digits than its factorization.

20980274013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96624 (or 96621 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20980274013 in words is "twenty billion, nine hundred eighty million, two hundred seventy-four thousand, thirteen".