20294936227 has 2 divisors, whose sum is σ = 20294936228. Its totient is φ = 20294936226.

The previous prime is 20294936183. The next prime is 20294936231. The reversal of 20294936227 is 72263949202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20294936227 - 2⁷ = 20294936099 is a prime.

It is not a weakly prime, because it can be changed into another prime (20294936287) 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 as a sum of consecutive naturals, namely, 10147468113 + 10147468114.

It is an arithmetic number, because the mean of its divisors is an integer number (10147468114).

Almost surely, 2^20294936227 is an apocalyptic number.

20294936227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20294936227 is an equidigital number, since it uses as much as digits as its factorization.

20294936227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 20294936227 in words is "twenty billion, two hundred ninety-four million, nine hundred thirty-six thousand, two hundred twenty-seven".