204250020145 has 16 divisors (see below), whose sum is σ = 250014200832. Its totient is φ = 160131050560.

The previous prime is 204250020133. The next prime is 204250020181. The reversal of 204250020145 is 541020052402.

It is not a de Polignac number, because 204250020145 - 2⁷ = 204250020017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217861 + ... + 675250.

It is an arithmetic number, because the mean of its divisors is an integer number (15625887552).

Almost surely, 2^204250020145 is an apocalyptic number.

It is an amenable number.

204250020145 is a deficient number, since it is larger than the sum of its proper divisors (45764180687).

204250020145 is an equidigital number, since it uses as much as digits as its factorization.

204250020145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894032.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 204250020145 its reverse (541020052402), we get a palindrome (745270072547).

The spelling of 204250020145 in words is "two hundred four billion, two hundred fifty million, twenty thousand, one hundred forty-five".