20004352773227 has 4 divisors (see below), whose sum is σ = 20004579316536. Its totient is φ = 20004126229920.

The previous prime is 20004352773169. The next prime is 20004352773313. The reversal of 20004352773227 is 72237725340002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20004352773227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004352773527) 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, 113139149 + ... + 113315822.

It is an arithmetic number, because the mean of its divisors is an integer number (5001144829134).

Almost surely, 2^{20004352773227} is an apocalyptic number.

20004352773227 is a deficient number, since it is larger than the sum of its proper divisors (226543309).

20004352773227 is an equidigital number, since it uses as much as digits as its factorization.

20004352773227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226543308.

The product of its (nonzero) digits is 987840, while the sum is 44.

The spelling of 20004352773227 in words is "twenty trillion, four billion, three hundred fifty-two million, seven hundred seventy-three thousand, two hundred twenty-seven".