20206130225 has 12 divisors (see below), whose sum is σ = 25081120896. Its totient is φ = 16148440080.

The previous prime is 20206130201. The next prime is 20206130227. The reversal of 20206130225 is 52203160202.

It is not a de Polignac number, because 20206130225 - 2²⁶ = 20139021361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20206130225.

It is not an unprimeable number, because it can be changed into a prime (20206130227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386537 + ... + 435686.

It is an arithmetic number, because the mean of its divisors is an integer number (2090093408).

Almost surely, 2^20206130225 is an apocalyptic number.

20206130225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20206130225 is a deficient number, since it is larger than the sum of its proper divisors (4874990671).

20206130225 is an equidigital number, since it uses as much as digits as its factorization.

20206130225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823216 (or 823211 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20206130225 its reverse (52203160202), we get a palindrome (72409290427).

The spelling of 20206130225 in words is "twenty billion, two hundred six million, one hundred thirty thousand, two hundred twenty-five".