20450014005253 has 24 divisors (see below), whose sum is σ = 25209246992472. Its totient is φ = 16483660913664.

The previous prime is 20450014005227. The next prime is 20450014005263. The reversal of 20450014005253 is 35250041005402.

It can be written as a sum of positive squares in 4 ways, for example, as 9604439404609 + 10845574600644 = 3099103^2 + 3293262^2 .

It is not a de Polignac number, because 20450014005253 - 2¹⁷ = 20450013874181 is a prime.

It is a super-2 number, since 2×20450014005253² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450014005263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9295350 + ... + 11282887.

It is an arithmetic number, because the mean of its divisors is an integer number (1050385291353).

Almost surely, 2^{20450014005253} is an apocalyptic number.

It is an amenable number.

20450014005253 is a deficient number, since it is larger than the sum of its proper divisors (4759232987219).

20450014005253 is a wasteful number, since it uses less digits than its factorization.

20450014005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20579461 (or 20579454 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20450014005253 in words is "twenty trillion, four hundred fifty billion, fourteen million, five thousand, two hundred fifty-three".