20202209927 has 2 divisors, whose sum is σ = 20202209928. Its totient is φ = 20202209926.

The previous prime is 20202209843. The next prime is 20202210037. The reversal of 20202209927 is 72990220202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202209927 - 2¹⁸ = 20201947783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202209527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101104963 + 10101104964.

It is an arithmetic number, because the mean of its divisors is an integer number (10101104964).

Almost surely, 2^20202209927 is an apocalyptic number.

20202209927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202209927 is an equidigital number, since it uses as much as digits as its factorization.

20202209927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20202209927 in words is "twenty billion, two hundred two million, two hundred nine thousand, nine hundred twenty-seven".