20212002227 has 2 divisors, whose sum is σ = 20212002228. Its totient is φ = 20212002226.

The previous prime is 20212002199. The next prime is 20212002329. The reversal of 20212002227 is 72220021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212002227 - 2¹⁶ = 20211936691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20212002199 and 20212002208.

It is not a weakly prime, because it can be changed into another prime (20212005227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106001113 + 10106001114.

It is an arithmetic number, because the mean of its divisors is an integer number (10106001114).

Almost surely, 2^20212002227 is an apocalyptic number.

20212002227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212002227 is an equidigital number, since it uses as much as digits as its factorization.

20212002227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 20212002227 its reverse (72220021202), we get a palindrome (92432023429).

The spelling of 20212002227 in words is "twenty billion, two hundred twelve million, two thousand, two hundred twenty-seven".