20455201525273 has 2 divisors, whose sum is σ = 20455201525274. Its totient is φ = 20455201525272.

The previous prime is 20455201525207. The next prime is 20455201525289. The reversal of 20455201525273 is 37252510255402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20407011177744 + 48190347529 = 4517412^2 + 219523^2 .

It is a cyclic number.

It is not a de Polignac number, because 20455201525273 - 2²¹ = 20455199428121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20455201525573) 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 as a sum of consecutive naturals, namely, 10227600762636 + 10227600762637.

It is an arithmetic number, because the mean of its divisors is an integer number (10227600762637).

Almost surely, 2^{20455201525273} is an apocalyptic number.

It is an amenable number.

20455201525273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20455201525273 is an equidigital number, since it uses as much as digits as its factorization.

20455201525273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 20455201525273 in words is "twenty trillion, four hundred fifty-five billion, two hundred one million, five hundred twenty-five thousand, two hundred seventy-three".