20610200225 has 12 divisors (see below), whose sum is σ = 25583664624. Its totient is φ = 16470730320.

The previous prime is 20610200179. The next prime is 20610200231. The reversal of 20610200225 is 52200201602.

It is not a de Polignac number, because 20610200225 - 2⁶ = 20610200161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20610200197 and 20610200206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411599 + ... + 458948.

It is an arithmetic number, because the mean of its divisors is an integer number (2131972052).

Almost surely, 2^20610200225 is an apocalyptic number.

20610200225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20610200225 is a deficient number, since it is larger than the sum of its proper divisors (4973464399).

20610200225 is an equidigital number, since it uses as much as digits as its factorization.

20610200225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871504 (or 871499 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20610200225 its reverse (52200201602), we get a palindrome (72810401827).

The spelling of 20610200225 in words is "twenty billion, six hundred ten million, two hundred thousand, two hundred twenty-five".