20404211174253 has 24 divisors (see below), whose sum is σ = 29631385101240. Its totient is φ = 13529619210240.

The previous prime is 20404211174239. The next prime is 20404211174273. The reversal of 20404211174253 is 35247111240402.

20404211174253 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 4 + 211 + 17 + 425 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2275035255684 + 18129175918569 = 1508322^2 + 4257837^2 .

It is not a de Polignac number, because 20404211174253 - 2⁹ = 20404211173741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404211174273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7528063 + ... + 9873203.

It is an arithmetic number, because the mean of its divisors is an integer number (1234641045885).

Almost surely, 2^{20404211174253} is an apocalyptic number.

It is an amenable number.

20404211174253 is a deficient number, since it is larger than the sum of its proper divisors (9227173926987).

20404211174253 is a wasteful number, since it uses less digits than its factorization.

20404211174253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350349 (or 2350346 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 20404211174253 in words is "twenty trillion, four hundred four billion, two hundred eleven million, one hundred seventy-four thousand, two hundred fifty-three".