20555326074203 has 4 divisors (see below), whose sum is σ = 20555337753888. Its totient is φ = 20555314394520.

The previous prime is 20555326074193. The next prime is 20555326074247. The reversal of 20555326074203 is 30247062355502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20555326074203 - 2⁶ = 20555326074139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20555326074103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601308 + ... + 6919353.

It is an arithmetic number, because the mean of its divisors is an integer number (5138834438472).

Almost surely, 2^{20555326074203} is an apocalyptic number.

20555326074203 is a deficient number, since it is larger than the sum of its proper divisors (11679685).

20555326074203 is an equidigital number, since it uses as much as digits as its factorization.

20555326074203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679684.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 20555326074203 in words is "twenty trillion, five hundred fifty-five billion, three hundred twenty-six million, seventy-four thousand, two hundred three".