20525054219 has 2 divisors, whose sum is σ = 20525054220. Its totient is φ = 20525054218.

The previous prime is 20525054201. The next prime is 20525054257. The reversal of 20525054219 is 91245052502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20525054219 - 2¹⁶ = 20524988683 is a prime.

It is a super-2 number, since 2×20525054219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20525054519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262527109 + 10262527110.

It is an arithmetic number, because the mean of its divisors is an integer number (10262527110).

Almost surely, 2^20525054219 is an apocalyptic number.

20525054219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525054219 is an equidigital number, since it uses as much as digits as its factorization.

20525054219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 20525054219 in words is "twenty billion, five hundred twenty-five million, fifty-four thousand, two hundred nineteen".