200021410025 has 6 divisors (see below), whose sum is σ = 248026548462. Its totient is φ = 160017128000.

The previous prime is 200021410021. The next prime is 200021410063. The reversal of 200021410025 is 520014120002.

It can be written as a sum of positive squares in 3 ways, for example, as 32526843904 + 167494566121 = 180352^2 + 409261^2 .

It is not a de Polignac number, because 200021410025 - 2² = 200021410021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021409985 and 200021410012.

It is not an unprimeable number, because it can be changed into a prime (200021410021) 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, 4000428176 + ... + 4000428225.

It is an arithmetic number, because the mean of its divisors is an integer number (41337758077).

Almost surely, 2^200021410025 is an apocalyptic number.

200021410025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200021410025 is a deficient number, since it is larger than the sum of its proper divisors (48005138437).

200021410025 is an equidigital number, since it uses as much as digits as its factorization.

200021410025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000856411 (or 8000856406 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 200021410025 its reverse (520014120002), we get a palindrome (720035530027).

The spelling of 200021410025 in words is "two hundred billion, twenty-one million, four hundred ten thousand, twenty-five".