20226402871 has 2 divisors, whose sum is σ = 20226402872. Its totient is φ = 20226402870.

The previous prime is 20226402853. The next prime is 20226402881. The reversal of 20226402871 is 17820462202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20226402871 - 2⁵ = 20226402839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20226402881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10113201435 + 10113201436.

It is an arithmetic number, because the mean of its divisors is an integer number (10113201436).

Almost surely, 2^20226402871 is an apocalyptic number.

20226402871 is a deficient number, since it is larger than the sum of its proper divisors (1).

20226402871 is an equidigital number, since it uses as much as digits as its factorization.

20226402871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 20226402871 in words is "twenty billion, two hundred twenty-six million, four hundred two thousand, eight hundred seventy-one".