20054334304253 has 2 divisors, whose sum is σ = 20054334304254. Its totient is φ = 20054334304252.

The previous prime is 20054334304117. The next prime is 20054334304267. The reversal of 20054334304253 is 35240343345002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11704759973284 + 8349574330969 = 3421222^2 + 2889563^2 .

It is a cyclic number.

It is not a de Polignac number, because 20054334304253 - 2¹⁰ = 20054334303229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20054334354253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027167152126 + 10027167152127.

It is an arithmetic number, because the mean of its divisors is an integer number (10027167152127).

Almost surely, 2^{20054334304253} is an apocalyptic number.

It is an amenable number.

20054334304253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20054334304253 is an equidigital number, since it uses as much as digits as its factorization.

20054334304253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 20054334304253 its reverse (35240343345002), we get a palindrome (55294677649255).

The spelling of 20054334304253 in words is "twenty trillion, fifty-four billion, three hundred thirty-four million, three hundred four thousand, two hundred fifty-three".