204080263 has 4 divisors (see below), whose sum is σ = 207930888. Its totient is φ = 200229640.

The previous prime is 204080231. The next prime is 204080267. The reversal of 204080263 is 362080402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362080402 = 2 ⋅181040201.

It is a cyclic number.

It is not a de Polignac number, because 204080263 - 2⁵ = 204080231 is a prime.

It is a super-2 number, since 2×204080263² = 83297507492298338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204080267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925233 + ... + 1925338.

It is an arithmetic number, because the mean of its divisors is an integer number (51982722).

Almost surely, 2^204080263 is an apocalyptic number.

204080263 is a deficient number, since it is larger than the sum of its proper divisors (3850625).

204080263 is an equidigital number, since it uses as much as digits as its factorization.

204080263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850624.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 204080263 is about 14285.6663477767. Note that the first 3 decimals coincide. The cubic root of 204080263 is about 588.7537257229.

The spelling of 204080263 in words is "two hundred four million, eighty thousand, two hundred sixty-three".