20910292027 has 2 divisors, whose sum is σ = 20910292028. Its totient is φ = 20910292026.

The previous prime is 20910291973. The next prime is 20910292031. The reversal of 20910292027 is 72029201902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20910292027 - 2²⁷ = 20776074299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20910291983 and 20910292001.

It is not a weakly prime, because it can be changed into another prime (20910292087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10455146013 + 10455146014.

It is an arithmetic number, because the mean of its divisors is an integer number (10455146014).

Almost surely, 2^20910292027 is an apocalyptic number.

20910292027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20910292027 is an equidigital number, since it uses as much as digits as its factorization.

20910292027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 20910292027 its reverse (72029201902), we get a palindrome (92939493929).

The spelling of 20910292027 in words is "twenty billion, nine hundred ten million, two hundred ninety-two thousand, twenty-seven".