20533446415423 has 24 divisors (see below), whose sum is σ = 21969730213200. Its totient is φ = 19179103722240.

The previous prime is 20533446415411. The next prime is 20533446415487. The reversal of 20533446415423 is 32451464433502.

It is not a de Polignac number, because 20533446415423 - 2¹³ = 20533446407231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533426415423) 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, 91991133 + ... + 92214073.

It is an arithmetic number, because the mean of its divisors is an integer number (915405425550).

Almost surely, 2^{20533446415423} is an apocalyptic number.

20533446415423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20533446415423 is a deficient number, since it is larger than the sum of its proper divisors (1436283797777).

20533446415423 is a wasteful number, since it uses less digits than its factorization.

20533446415423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227079 (or 227056 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 46.

The spelling of 20533446415423 in words is "twenty trillion, five hundred thirty-three billion, four hundred forty-six million, four hundred fifteen thousand, four hundred twenty-three".