20013061404373 has 2 divisors, whose sum is σ = 20013061404374. Its totient is φ = 20013061404372.

The previous prime is 20013061404361. The next prime is 20013061404379. The reversal of 20013061404373 is 37340416031002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11578346873809 + 8434714530564 = 3402697^2 + 2904258^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013061404373 - 2⁵ = 20013061404341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013061404379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006530702186 + 10006530702187.

It is an arithmetic number, because the mean of its divisors is an integer number (10006530702187).

Almost surely, 2^{20013061404373} is an apocalyptic number.

It is an amenable number.

20013061404373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013061404373 is an equidigital number, since it uses as much as digits as its factorization.

20013061404373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 20013061404373 its reverse (37340416031002), we get a palindrome (57353477435375).

The spelling of 20013061404373 in words is "twenty trillion, thirteen billion, sixty-one million, four hundred four thousand, three hundred seventy-three".