20329998127 has 2 divisors, whose sum is σ = 20329998128. Its totient is φ = 20329998126.

The previous prime is 20329998113. The next prime is 20329998167. The reversal of 20329998127 is 72189992302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20329998127 - 2²⁷ = 20195780399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20329998167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10164999063 + 10164999064.

It is an arithmetic number, because the mean of its divisors is an integer number (10164999064).

Almost surely, 2^20329998127 is an apocalyptic number.

20329998127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20329998127 is an equidigital number, since it uses as much as digits as its factorization.

20329998127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 20329998127 in words is "twenty billion, three hundred twenty-nine million, nine hundred ninety-eight thousand, one hundred twenty-seven".