20013653450273 has 16 divisors (see below), whose sum is σ = 24236535919104. Its totient is φ = 16133246046720.

The previous prime is 20013653450237. The next prime is 20013653450321. The reversal of 20013653450273 is 37205435631002.

It is a cyclic number.

It is not a de Polignac number, because 20013653450273 - 2⁸ = 20013653450017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20013653450273.

It is not an unprimeable number, because it can be changed into a prime (20013653450473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63499865 + ... + 63814262.

It is an arithmetic number, because the mean of its divisors is an integer number (1514783494944).

Almost surely, 2^{20013653450273} is an apocalyptic number.

It is an amenable number.

20013653450273 is a deficient number, since it is larger than the sum of its proper divisors (4222882468831).

20013653450273 is a wasteful number, since it uses less digits than its factorization.

20013653450273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127315472.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 20013653450273 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred fifty thousand, two hundred seventy-three".