20025712127 has 2 divisors, whose sum is σ = 20025712128. Its totient is φ = 20025712126.

The previous prime is 20025712121. The next prime is 20025712153. The reversal of 20025712127 is 72121752002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20025712127 - 2⁴ = 20025712111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20025712127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20025712121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012856063 + 10012856064.

It is an arithmetic number, because the mean of its divisors is an integer number (10012856064).

Almost surely, 2^20025712127 is an apocalyptic number.

20025712127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025712127 is an equidigital number, since it uses as much as digits as its factorization.

20025712127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 29.

The spelling of 20025712127 in words is "twenty billion, twenty-five million, seven hundred twelve thousand, one hundred twenty-seven".