20225156227 has 2 divisors, whose sum is σ = 20225156228. Its totient is φ = 20225156226.

The previous prime is 20225156209. The next prime is 20225156239. The reversal of 20225156227 is 72265152202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20225156227 - 2¹⁹ = 20224631939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20225156192 and 20225156201.

It is not a weakly prime, because it can be changed into another prime (20225156257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112578113 + 10112578114.

It is an arithmetic number, because the mean of its divisors is an integer number (10112578114).

Almost surely, 2^20225156227 is an apocalyptic number.

20225156227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20225156227 is an equidigital number, since it uses as much as digits as its factorization.

20225156227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 20225156227 in words is "twenty billion, two hundred twenty-five million, one hundred fifty-six thousand, two hundred twenty-seven".