20025705599 has 2 divisors, whose sum is σ = 20025705600. Its totient is φ = 20025705598.

The previous prime is 20025705547. The next prime is 20025705647. The reversal of 20025705599 is 99550752002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20025705599 - 2²⁴ = 20008928383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20025705299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012852799 + 10012852800.

It is an arithmetic number, because the mean of its divisors is an integer number (10012852800).

Almost surely, 2^20025705599 is an apocalyptic number.

20025705599 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025705599 is an equidigital number, since it uses as much as digits as its factorization.

20025705599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 20025705599 in words is "twenty billion, twenty-five million, seven hundred five thousand, five hundred ninety-nine".