204030401 has 16 divisors (see below), whose sum is σ = 217638144. Its totient is φ = 190865664.

The previous prime is 204030397. The next prime is 204030419. The reversal of 204030401 is 104030402.

It is a cyclic number.

It is not a de Polignac number, because 204030401 - 2² = 204030397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204030461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229580 + ... + 230466.

It is an arithmetic number, because the mean of its divisors is an integer number (13602384).

Almost surely, 2^204030401 is an apocalyptic number.

It is an amenable number.

204030401 is a deficient number, since it is larger than the sum of its proper divisors (13607743).

204030401 is a wasteful number, since it uses less digits than its factorization.

204030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204030401 is about 14283.9210653098. The cubic root of 204030401 is about 588.7057726464.

Adding to 204030401 its reverse (104030402), we get a palindrome (308060803).

Subtracting from 204030401 its reverse (104030402), we obtain a palindrome (99999999).

The spelling of 204030401 in words is "two hundred four million, thirty thousand, four hundred one".