20130011322973 has 2 divisors, whose sum is σ = 20130011322974. Its totient is φ = 20130011322972.

The previous prime is 20130011322943. The next prime is 20130011323043. The reversal of 20130011322973 is 37922311003102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19368123251929 + 761888071044 = 4400923^2 + 872862^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130011322973 - 2⁹ = 20130011322461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130011322943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065005661486 + 10065005661487.

It is an arithmetic number, because the mean of its divisors is an integer number (10065005661487).

Almost surely, 2^{20130011322973} is an apocalyptic number.

It is an amenable number.

20130011322973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130011322973 is an equidigital number, since it uses as much as digits as its factorization.

20130011322973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 20130011322973 in words is "twenty trillion, one hundred thirty billion, eleven million, three hundred twenty-two thousand, nine hundred seventy-three".