20340929027 has 2 divisors, whose sum is σ = 20340929028. Its totient is φ = 20340929026.

The previous prime is 20340928997. The next prime is 20340929051. The reversal of 20340929027 is 72092904302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20340929027 - 2²⁴ = 20324151811 is a prime.

It is not a weakly prime, because it can be changed into another prime (20340929057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170464513 + 10170464514.

It is an arithmetic number, because the mean of its divisors is an integer number (10170464514).

Almost surely, 2^20340929027 is an apocalyptic number.

20340929027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340929027 is an equidigital number, since it uses as much as digits as its factorization.

20340929027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 20340929027 in words is "twenty billion, three hundred forty million, nine hundred twenty-nine thousand, twenty-seven".