20206092251 has 2 divisors, whose sum is σ = 20206092252. Its totient is φ = 20206092250.

The previous prime is 20206092223. The next prime is 20206092253. The reversal of 20206092251 is 15229060202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20206092251 - 2⁶ = 20206092187 is a prime.

Together with 20206092253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20206092253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103046125 + 10103046126.

It is an arithmetic number, because the mean of its divisors is an integer number (10103046126).

Almost surely, 2^20206092251 is an apocalyptic number.

20206092251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20206092251 is an equidigital number, since it uses as much as digits as its factorization.

20206092251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 20206092251 in words is "twenty billion, two hundred six million, ninety-two thousand, two hundred fifty-one".