200120425 has 6 divisors (see below), whose sum is σ = 248149358. Its totient is φ = 160096320.

The previous prime is 200120419. The next prime is 200120429. The reversal of 200120425 is 524021002.

It can be written as a sum of positive squares in 3 ways, for example, as 2408704 + 197711721 = 1552^2 + 14061^2 .

It is a de Polignac number, because none of the positive numbers 2^k-200120425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120399 and 200120408.

It is not an unprimeable number, because it can be changed into a prime (200120429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4002384 + ... + 4002433.

Almost surely, 2^200120425 is an apocalyptic number.

200120425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200120425 is a deficient number, since it is larger than the sum of its proper divisors (48028933).

200120425 is an equidigital number, since it uses as much as digits as its factorization.

200120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004827 (or 8004822 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 200120425 is about 14146.3926497182. The cubic root of 200120425 is about 584.9208990377.

Adding to 200120425 its reverse (524021002), we get a palindrome (724141427).

The spelling of 200120425 in words is "two hundred million, one hundred twenty thousand, four hundred twenty-five".